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© eG Innovations, Inc. | www.eginnovations.com
Citrix Troubleshooting 101
How to Resolve and Prevent Business-Impacting Citrix Problems
© eG Innovations, Inc. | www.eginnovations.com
Know Your Speaker
Natalie Tomko
Digital Marketing Manager
eG Innovations
Moderator
George Spiers
Citrix Technology Professional (CTP)
and EUC Architect
Speakers
Barry Schiffer
CTP and Pre-sales Consultant
eG Innovations
Over 20 years of experience working with Citrix
technologies.
barry.schiffer@eginnovations.com | www.eginnovations.com
Citrix Certified Expert and Microsoft Solutions
Expert. One of the 50 CTPs in the world.
george@jgspiers.com | www.jgspiers.com
© eG Innovations, Inc. | www.eginnovations.com
Agenda
• Understanding the Impact of Poor Citrix Performance
• 3 Key Steps to Troubleshoot Citrix Problems
─ Determining the Scope, Magnitude, and Source of the Problem
• Troubleshooting Tips from the Trenches
─ Citrix tiers, supporting infrastructure, client-side problems
• Supporting remote workers in the new normal
• Tips to Optimize your Citrix Deployment
• How Automated Monitoring Aids in Troubleshooting
© eG Innovations, Inc. | www.eginnovations.com
Citrix is Performance Sensitive
48%
45%
7%
The most performance sensitive service
Similar in performance demands as other services
Not that performance sensitive
93% believe that Citrix is one of the
performance sensitive services in
enterprise networks.
Source: 2016 Citrix Performance Survey
https://www.eginnovations.com/solutions/view-resources?whitepaper=36
• Many components are involved
in Citrix delivery
• Too many interdependencies
between tiers
• Any fault or failure cascades into
a bigger problem that affects
performance
• Performance relies heavily on
supporting infrastructure
• Configuration can make or break
performance

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© eG Innovations, Inc. | www.eginnovations.com
What Happens When Users Complain that “Citrix is Slow”?
Users start to complain that Citrix has suddenly become very slow
Helpdesk starts getting user complaints
Helpdesk alerts the Citrix administration team to begin investigations
Citrix admins begin investigating the cause for slowness
• Loss of productivity to users • Pressure on IT to fix the problem soon• Customer satisfaction is affected
© eG Innovations, Inc. | www.eginnovations.com
Slowness is Expensive!
Loss of Productivity
Application slowness for 3 hours; User
productivity loss: $200/hr X 3 hours X
1000 users = $600,000 per incident
Operations Cost
Expert IT staff involved in troubleshooting
costing $45/hr X 10 staff X 3hrs = $1,350 per
incident
© eG Innovations, Inc. | www.eginnovations.com
Slowness is Expensive!
Unforeseen Capital Expense
Projection
50 users/
server
Actual
25 users/
server
Double the number of servers
needed; $50,000 per server,
5 servers = $250,000 additional cost
Failure of Transformation Project
Performance
slower than
physical
desktops
Users unhappy; want physical
desktops back; Cost increase: $600
per user * 1000 users = $600,000
© eG Innovations, Inc. | www.eginnovations.com
Performance Must Be Considered at Every Stage of
the Citrix Deployment Lifecycle
Design
Test &
Deploy
Operate
&
Maintain
Trouble-
shoot
Optimize
Rectify Monitor
Trouble-
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© eG Innovations, Inc. | www.eginnovations.com
Troubleshooting Tips
from the Trenches
Solve Top Citrix Problems
© eG Innovations, Inc. | www.eginnovations.com
Common Citrix Problems
Logon is
slow
Application
is slow to
launch
Keystrokes
don’t show
up on time
Multimedia
playback is
choppy
User
ComplaintsPrinting
doesn’t
work
Session gets
disconnected
Where to begin troubleshooting?
© eG Innovations, Inc. | www.eginnovations.com
3 Key Steps to Troubleshooting
#1 Determine SCOPE of the problem
#2 Determine MAGNITUDE of the problem
#3 Determine SOURCE of the problem
© eG Innovations, Inc. | www.eginnovations.com
Determining The SCOPE of The Problem
Troubleshooting must be problem specific
• For e.g.: Citrix logon slowness will have different reasons and
troubleshooting fixes from slow application access
Is it just one task that the user is facing an issue with,
or are all tasks slow?
Logon
Session
Setup
App
Launch
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© eG Innovations, Inc. | www.eginnovations.com
Determining The MAGNITUDE of the Problem
One user is impacted Several users are impacted
Less impact Moderate impact
All users are impacted
Critical impact
• Which user? Where? When?
• Is there a problem with the
user's network?
• What version of Citrix
Workspace app does the
user have?
• Problem with a specific
application or all
applications?
• Is there any commonality between
these users?
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─ Same apps?
─ Same domain?
─ Same location?
─ Same Workspace app
version?
─ Same client Operating
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• Is there WAN network latency?
• Is the Citrix Provisioning server or
license server having an issue?
• Are StoreFront and Citrix ADC
working fine?
• Is the virtual environment
experiencing a bottleneck?
• Is there a problem in the storage
environment?
© eG Innovations, Inc. | www.eginnovations.com
Determining The SOURCE of the Problem
StoreFront Delivery Controller
Citrix ADC
Citrix End Users
License
Server
Citrix Provisioning
Active DirectorySQL Server
Citrix Virtual Apps
Server
Hypervisor
Internet/
WAN
Storage
Client Side
Citrix Delivery
Infrastructure
Supporting
Infrastructure
Citrix End Users
Firewall
Corporate
Network
Client
Network
Corporate
Network
© eG Innovations, Inc. | www.eginnovations.com
Best Practices for Troubleshooting Common Citrix Problems
StoreFront Delivery Controller
Citrix ADC
Citrix End Users
License
Server
Citrix Provisioning
Active DirectorySQL Server
Citrix Virtual Apps
Server
Hypervisor
Internet/
WAN
Storage
Citrix Delivery
Infrastructure
Citrix End Users
Firewall
Corporate
Network
Client
Network
 Slow Logon
 Slow App Launch
 Session Disconnects
 Frozen Sessions
 Session Latency
© eG Innovations, Inc. | www.eginnovations.com
Slow Logon is the #1 Problem for Citrix Admins
Source: 2018 Citrix Migration Survey
www.eginnovations.com/Citrix-Migration-Trends
• In an environment that averages 500 user
logons per business day, an average 10-
second increase in logon times over a 5-day
week period results in over 6 hours of lost
productivity!
• Slow logons are ranked the #1 problem for
Citrix admins
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© eG Innovations, Inc. | www.eginnovations.com
Investigating Citrix Logon Slowness
This will help isolate which part of the infrastructure to go investigate for issues
Identify which step of the logon process is taking more time to execute
#1 Slow Logon
© eG Innovations, Inc. | www.eginnovations.com
Monitoring Citrix Logons: No Longer a Science
Logon Simulation
#1 Slow Logon
Simulated logon via
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Applications
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StoreFront console
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Citrix Director
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© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Logon Slowness
• If using Citrix Profile Management, make sure your storage location is configured with high speed
access to your desktops and applications
• Make sure that you have enough compute available to cope with demand. Always size for peak load +
10-20%.
• Use Citrix Workspace Environment Management (WEM) to map printers, drives and other actions after
logon.
• Reduce the Group Policy settings that need to apply to your end-users.
• Reduce the amount of applications installed on your gold images. Plan your application and image
strategy.
• Optimise your images – Disable unneeded services, scheduled tasks, and tweak the OS for better
performance
#1 Slow Logon
─ https://support.citrix.com/article/CTX224676 - Citrix Optimizer
© eG Innovations, Inc. | www.eginnovations.com
Citrix Workspace Environment Management (WEM)
With WEM
Without WEM
All the processing is
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© eG Innovations, Inc. | www.eginnovations.com
Investigating Slow Application Launch
• Is the launch for only one application slow, or for all applications?
• Is slowness affecting application launch on one VDA or all VDAs?
• Compare workloads of VDAs in use
• Published apps may involve user session establishment. So brokering, GPOs etc.
can cause slowness.
• Look for add-ins/plugins (e.g., Outlook, Browser, etc.) that may be causing app
launch slowness
• Look for proxies and other intermediary hops between the end user and VDA
• When you console directly on to the VDA, does the application launch slowly?
#2 Slow App/Desktop Launch
© eG Innovations, Inc. | www.eginnovations.com
Monitoring Slow Application Launch
#2 Slow App/Desktop Launch
eG Enterprise
• Application availability and launch with real
simulation
─ App Probing using Director
─ Logon simulation tools
• Monitor actual application launch
times (using Windows APIs)
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Slow Application/Desktop Launch
#2 Slow App/Desktop Launch
• Optimise images
• Make use of session prelaunch for published applications when makes sense
• Make sure VDAs are spec’d appropriately and not overloaded, especially during
peak times. Remember, size for peak + 10-20%
• Make sure you have enough VDAs powered on and available to handle requests
• Make sure you have enough DDCs to handle brokering requests
• Configure Group Policy as per best practices
• Ensure your Citrix profile/3rd party profile solution is optimized & not a
bottleneck
• Keep your Virtual Apps and Desktops deployment up-to-date, including
Workspace app
• Make use of Zones to broker users to desktops/applications closest to them,
if you have multiple-datacentres
© eG Innovations, Inc. | www.eginnovations.com
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XA/XD 7.11+
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Time to launch 10k users 44m 55s 13m 10s
Quicker brokering = quicker launch times!
Keep your environments up to date
#2 Slow App/Desktop Launch

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One of the most challenging tasks for a Citrix administrator is when a user calls in complaining of a Citrix problem: logon is slow, session is getting disconnected, application launch is slow, session itself is slow, etc. So, how does a Citrix admin go about solving these issues? A Citrix infrastructure has many tiers and dependencies. Where do you start looking, what do you analyze, and how do you triage? Watch this webinar by George Spiers, Citrix CTP and EUC Architect, who shares his real-world experience to help you learn the art of Citrix troubleshooting. You will find out how to: • Methodically go about finding the scope, magnitude of impact, and source of the problem • Troubleshoot common Citrix problems like slow logons, slow app/desktop launch, disconnecting sessions, frozen sessions, etc. • Investigate issues in the supporting infrastructure (network, AD, virtualization, etc.) • Optimize the Citrix environment for maximum performance At the end, we discuss how automated monitoring can help accelerate performance troubleshooting.

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© eG Innovations, Inc. | www.eginnovations.com
Use Session Prelaunch (7.6+)
• Session is pre-prepared when user logs on to StoreFront
• When user clicks to launch application, the majority―if not entire―logon process
would have already completed in background
• Not always will a user launch a Virtual Apps
application straight away, they may check
emails. In the meantime, let Virtual Apps
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© eG Innovations, Inc. | www.eginnovations.com
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© eG Innovations, Inc. | www.eginnovations.com
Investigating User Session Disconnects
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─ This happens to particular users, or all users
─ Happens when using specific desktops or published applications
─ Happens to users from particular offices and so on
#3 User Session Disconnects
• Check Event Logs on VDAs around the time when disconnect happened
• Check Event Logs on endpoint around the time when disconnect happened
• Run network connectivity tests for affected users
• Run tests on VDAs to make sure they are not losing network connection briefly
• Check that proxies, firewalls and antivirus products are not interfering with ICA
traffic
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid User Session Disconnects
• Make sure your environment is on the latest updates/versions:
─ Workspace app should be up to date
─ VDAs are always patched with the latest releases from Microsoft
─ Update Hypervisor tools such as VMware Tools
─ Ensure that Citrix Virtual Apps and Desktops is kept up to date
• Ensure network monitoring is in place and the networking fabric is kept up to
date to ensure optimal performance and stability
• Ensure your desktops are kept up to date with the latest Microsoft patches,
and drives for network cards etc are running from latest versions
• Keep a record of what has changed in the environment so you can roll-back
easily if disconnects happen suddenly after a change e.g. Workspace app
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How to Make Citrix Logons Faster?
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Slow logon is one of the most common user complaints faced by Citrix admins. When logon is slow, it affects the end-user experience and business productivity. Because XenApp and XenDesktop logon comprises many steps and depends on various parts of the infrastructure, it is often difficult to know what is causing logon slowness. The biggest question every Citrix admin has is “How do I make Citrix logons faster”? Here are some best practices from George Spiers, CTP, based on his real-world experience to optimize your Citrix infrastructure to make logons up to 75% faster. • Understand what factors are involved in Citrix login processing • Learn optimization techniques to make logon faster including profile management and image optimization • Learn how to improve logon times using new Citrix technologies such as App Layering and WEM • Pick up tips, tricks and tools to proactively detect logon slowdowns

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© eG Innovations, Inc. | www.eginnovations.com
Enable Workspace app Logging for further evidence
https://www.jgspiers.com/citrix-receiver-windows-logging/
General Workspace app logging:
Set ReceiverVerboseTracingEnabled to 1 under
HKLMSOFTWARECitrix for 32-bit machines or
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© eG Innovations, Inc. | www.eginnovations.com
Investigating Frozen Sessions
• Are all users on the same VDA affected or just one?
• Does exiting Receiver, re-launching and connecting back to the
session work?
• Can you force the user off via Director, or by killing processes via
Director or Task Manager on the VDA?
• Is a process thrashing CPU, memory, or disk on the VDA(s)?
• Does the VDA need to be drained and rebooted to clear the frozen
session?
#4 Frozen Sessions
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Frozen Sessions
• Make sure your environment is on the latest updates/versions:
─ Citrix Receiver/Workspace app should be up to date
─ VDAs are always patched with the latest releases from Microsoft
─ Update Hypervisor tools such as VMware Tools
─ Hypervisors should have latest patches
─ Ensure that Citrix Virtual Apps and Desktops is kept up to date
• Make sure that VDAs are spec’d appropriately if a session froze due to CPU
thrashing or lack of RAM. WEM can help here.
• If using Citrix Provisioning (PVS), make sure your Write Cache set to “Cache on
device RAM with overflow to HDD”
─ Ensure the Write Cache for PVS and MCS is large enough to cope with writes.
• Follow Citrix recommendations for Antivirus exclusions:
─ https://support.citrix.com/article/CTX127030
#4 Frozen Sessions
© eG Innovations, Inc. | www.eginnovations.com
Hide Citrix Sessions
https://www.jgspiers.com/user-stuck-citrix-desktop-force-log-off/
Session frozen on VDA, but you
cannot reboot immediately
(Virtual Apps)?
#4 Frozen Sessions

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Choosing a citrix monitoring strategy key capabilities needed and pitfalls to...
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Citrix XenApp and XenDesktop are two of the most performance sensitive technologies in use in enterprise networks today. Slow logins, frequent session disconnects and slow screen refreshes are just some of the common complaints that Citrix administrators have to deal with. Furthermore, often when a user complains that their desktop is slow or an application is slow to launch, the issue is not in the Citrix tiers – but instead in the network, the virtualization platform, or storage tiers. End-to-end visibility, root-cause diagnosis and proactive alerting are therefore key requirements for Citrix administrators. Watch this CUGC webinar by Bala Vaidhinathan, CTO of eG Innovations, as he discusses - - Key requirements for Citrix performance monitoring - Where Citrix Director helps, and its limitations - When you will need to consider Citrix NetScaler Insight Center - The pros and cons of the Citrix management packs for Microsoft SCOM - How can we augment the built-in Citrix tools, providing end-to-end visibility, rapid diagnosis and advanced reporting for Citrix XenApp and XenDesktop

citrixcitrix performance managementcitrix monitoring
7 Secrets to Becoming a Citrix Hero
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Among all the administration, maintenance and troubleshooting chaos in your daily life as a Citrix admin, don’t you dream of becoming a Citrix hero? Watch this on-demand webinar where DJ Eshelman, Citrix Coach, CUGC Leader and a CTA, walks us through seven essential dos and don’ts for Citrix professionals, based on over a decade’s worth of real-world experience. In this session, you’ll learn: • The methods and practices that successful Citrix professionals adopt • How to take cues from users and data to build Citrix environments that run smoothly and efficiently, and yet cut down on risks and workarounds • How being proactive instead of reactive unlocks a world where you are less stressed and more fulfilled in what you are doing Every Citrix admin can become a Citrix Hero. By applying these seven lessons, you can spend less time worrying about your next Sev1 outage and more time enjoying life outside the office.

citrixcitrix herocitrix monitoring
How to consolidate Citrix Monitoring in a Single Pane of Glass
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A recent survey by eG Innovations and xenappblog found that 68% of organizations are using 2-5 different tools for monitoring and managing their Citrix infrastructure. Multiple monitoring tools make it expensive to operate and troubleshoot IT infrastructure issues. Furthermore, a lot of manual effort is required to diagnose and fix performance issues. Join Richard Faulkner, Enterprise Solutions Architect and CTP from Conversant Group, and John Worthington, Director of Customer Success at eG Innovations, and learn how you can get a single-pane-of-glass view of your Citrix infrastructure – from the client end to the virtual desktops/apps and even the backend applications. See how you can: --Monitor and get proactive alerts on the experience seen by Citrix users --Track the performance of every layer and every tier of your Citrix infrastructure: NetScalers, StoreFronts, Virtual apps and desktops, WEM, PVS, License servers, etc. --Troubleshoot in a single click and identify where the root-cause of a problem is: network, or storage, or virtualization, or the Citrix stack? --Get insights to right-size and optimize your Citrix deployment

© eG Innovations, Inc. | www.eginnovations.com
Best Practices for Troubleshooting Problems in the
Infrastructure Supporting Citrix Deployments (on-premises)
StoreFront Delivery Controller
Citrix ADC
Citrix End Users
License
Server
Citrix Provisioning
Active DirectorySQL Server
Citrix Virtual
Apps Server
Hypervisor
Internet/
WAN
Storage
Supporting
Infrastructure
Citrix End Users
Firewall
Corporate
Network
Client
Network
© eG Innovations, Inc. | www.eginnovations.com
Best Practices for Troubleshooting Problems in the
Infrastructure Supporting Citrix Deployments (Citrix Cloud)
Workspace
Cloud Connector
Gateway Service
Citrix End Users
License
Server
Citrix Provisioning
Active Directory
SQL Server
Citrix Virtual
Apps Server
Hypervisor
CorporateLAN
Internet/
WAN
Storage
Supporting
Infrastructure
Citrix End Users
Firewall
Public
Internet
Client
Network
Delivery Controller
Cloud Connector
Citrix
_Cloud
© eG Innovations, Inc. | www.eginnovations.com
Investigating Issues with the Supporting Infra
• Network
─ Don’t assume, monitor!
─ May not just be your routers or switches. Network card issues can cause performance problems
─ Speed negotiation problems, driver issues can also affect performance
• Active Directory
─ Sites and Services may not be correctly configured if you have multiple sites across your organisation
─ Logon scripts may be configured on user accounts through ADUC which can be bad for logon times
─ DNS if incorrectly configured could cause problems with applications and services
• Hypervisor
─ Monitor resource usage – look for bottlenecks; Follow vendor-specified best practices
─ VM ready time, memory ballooning and swapping, disk queueing and aborts
─ Monitor resources used by other VMs
• Storage
─ Detect storage failures (failures remain hidden in RAID environments)
─ Monitor LUN-level I/O activity
• Cloud
─ Ensure you are not reaching capacity limits
─ Look for bandwidth / connection problems to the cloud
Infrastructure Issues
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Issues in the Supporting Infra
Infrastructure Issues
• Make sure Group Policy is configured to apply only relevant policies. You can move a lot
of Group Policy settings off to WEM if you are entitled
• Size your hypervisors to cope with peak load. That is, the maximum number of sessions
you need to support concurrently with a 10-20% buffer.
─ Also factor in host failure or datacentre outage and how that will affect remaining healthy
infrastructure. Can you support all users in one datacenter?
• If using file servers for Profile Management or Folder Redirection, make sure enough disk
capacity, RAM and CPU is assigned to these servers, and that high availability is in place
• Keep the number of Organizational Units and Security Groups at a minimum. This
will make management easier and speed up troubleshooting
• Monitor and always regularly patch storage, networking and hypervisor infrastructure
• Maintain tight change-control and always keep track of changes to the environment
• Keep track of known issues through software releases. Release notes and social channels
recommended.

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Quantifying Genuine User Experience in Virtual Desktop Ecosystems
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Quantifying Genuine User Experience in Virtual Desktop Ecosystems

Data Con LA 2020 When users complain about slowness in their virtual application or desktop, User Experience becomes a subjective measurement, or a feeling of how well the infrastructure is performing. This talk will focus on the objective measurement and what that looks like for your business. Takeaways: *Attendees will learn the method for monitoring User Experience for virtual apps and desktops. *Attendees will learn the do's and don'ts of monitoring for User Experience in the virtual world. *Attendees will gain a sense of importance of monitoring UX for their business cases when purchasing a monitoring solution like eG Enterprise. Typical Audience: Architects, engineers, managers, end-user solutions experts that work in the virtual desktop space such as Citrix, Horizon, DaaS, and more. Speaker Wendy Howard, Eg Innovations, Technical Consultant

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How to Deliver an Exceptional End User Experience in your Citrix Environment
How to Deliver an Exceptional End User Experience in your Citrix EnvironmentHow to Deliver an Exceptional End User Experience in your Citrix Environment
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Citrix Cloud services simplify the delivery and management of Citrix solutions, helping our users to extend their existing on-premises software deployments or even move one hundred percent to the cloud. Citrix Cloud services deploy secure digital workspaces in hours, placing the sensitive app, desktop and data resources on any cloud or hybrid cloud. Accessing the apps, desktops and any data has become easy than ever with Citrix Workspace. Citrix Workspace fully aggregates all apps, data, and files across all applications, and it offers a user-centric experience where everything you need to work is in one unified app, with conditional access and performance made simple based on user context and IT-designed policies. Citrix Cloud services support the integration with different technologies that vary significantly from one organization to another. The first step for users is to access their provisioned desktops, applications, and files, which is why monitoring the logon performance has become critical for Citrix solutions. That's why eG Innovations provides a free login simulator for Citrix Workspace, through their eG Enterprise solution which is verified as Citrix Ready. One of the primary requirements by organisations is to achieve exceptional Citrix user experience and service quality. eG Enterprise helps to proactively monitor all aspects of Citrix user experience - login times, application launch times, screen refresh latencies, virtual channel bandwidth usage, etc., and more importantly helps to identify underlying infrastructure tiers to help determine where the root cause of a problem lies; whether it is network, database, application, Citrix, or storage. Discover how Citrix and eG Innovations combine to provide you with end-to-end performance management and learn how to: • Deliver a secure digital workspace, and to improve business productivity with a fully integrated digital workspace from any cloud or hybrid cloud. • Ensure the success of new deployments and migration to Citrix Cloud with pre-built migration reports • End-to-end monitoring of Citrix services across user experience, session performance, connectivity, licensing, infrastructure health and capacity • Monitor Citrix services on physical, virtual and cloud infrastructures from Single pane of glass.

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The document discusses avoiding mistakes when managing Citrix performance. It recommends looking for monitoring tools with Citrix expertise that provide end-to-end visibility across infrastructure components. Built-in Citrix tools are useful for troubleshooting but not sufficient for overall performance management. Virtual desktop monitoring differs from virtual server monitoring as it requires understanding user experience and activity within desktops. The document promotes a solution called eG Enterprise for comprehensive Citrix performance monitoring and diagnosis.

business continuitycitrixapm
© eG Innovations, Inc. | www.eginnovations.com
Supporting remote workers
In the new normal
© eG Innovations, Inc. | www.eginnovations.com
Investigating Internal or External Session Latency
• If only external users are facing issues, but not internal users:
─ Are the Citrix ADCs under load?
─ Is latency caused by routing or issues in the DMZ?
─ Could user's WAN connection be a problem?
#5 Session Latency
• If both internal and external users are affected, check StoreFront,
other Citrix components, other supporting infrastructure
components, and the datacentre network
StoreFront
Citrix ADC
Internet/
WAN
Firewall
WAN Latency DC Latency
Internal
User
External User
© eG Innovations, Inc. | www.eginnovations.com
Monitoring Session Latency
• Use Citrix ADM to view DC latency and WAN latency metrics obtained by
analysing the HDX traffic flowing through Citrix Gateway
#5 Session Latency
Customers not on Citrix
Gateway Premium licensing
can rely on AppFlow
monitoring tools from vendors
(eG Innovations, others)
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Session Latency
• Monitor resource usage on your VDAs
─ Detect users/applications taking up too much resources proactively
• Monitor browser activity
─ Many monitoring tools can show URLs accessed by users
─ Limit browser access to web sites required for business activities
• For remote access, make sure Citrix ADC/Gateway is configured with
appropriate licenses that support throughput requirements
• Make sure the internal network is performing as should
─ Unforeseen problems can occur – e.g., with network teaming
#5 Session Latency

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Citrix XenApp and XenDesktop are two of the most performance-sensitive applications being used in enterprise networks today. Citrix performance management is of critical importance because even a small glitch – anywhere in your infrastructure – can negatively affect the user experience and, ultimately, result in lost business revenue. These slides are from our recent webinar , ‘How to Avoid the Top 7 Mistakes Made When Managing Citrix Performance’, where Raymond Otero, Manager of End-User Computing, Anexinet – a leading Citrix Gold Solution Advisor, and Srinivas Ramanathan, CEO of eG Innovations, discussed the top seven mistakes that IT professional make when managing their Citrix-based services as well as the best practices to address and avoid these mistakes to ensure a positive user experience and business continuity.

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Achieving a single pane of glass for performance management has been an elusive goal for most organizations, as they are faced with an increasingly complex mix of legacy, physical, virtual and cloud technologies. Organizations now have a variety of cloud-based options for delivering virtualized applications and desktops. A key question to answer on their cloud adoption journey is: “Does Citrix Cloud services make performance monitoring easier than it was for on-premise deployments?” Check out these slides and learn: -- What Citrix Cloud is and how it works -- What deployment options are available -- What performance challenges to expect -- What monitoring options are available You will also learn best practices for setting up end-to-end performance management for Citrix Cloud environments.

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© eG Innovations, Inc. | www.eginnovations.com
Bind the best TCP profile to your Gateway
1. Browse to your Gateway Virtual Server and bind the TCP Profile
nstcp_default_XA_XD_profile to it.
#5 Session Latency
2. Edit the nstcp_default_XA_XD_profile profile and uncheck Use Nagle’s algorithm.
- Should be done automatically in later builds.
© eG Innovations, Inc. | www.eginnovations.com
Enable Citrix HDX Adaptive Transport (EDT Protocol)
to Improve Latency and Throughput
A copy of a 45MB file over a 200ms line is still an incredible
36 seconds faster than the 100ms TCP copy.
#5 Session Latency
© eG Innovations, Inc. | www.eginnovations.com
Enable Audio over RTP to Improve Audio Recording and
Playback
#5 Session Latency
• Set audio to ‘Medium’
• Edit Default.ica on StoreFront to enable RTP
• Open firewall ports
• Enable DTLS on Gateway Virtual Server
© eG Innovations, Inc. | www.eginnovations.com
Optimized for WAN policy template
Unsure of which policy settings are friendly with WAN
connections?
#5 Session Latency
Check out the Optimized for WAN policy template.
Use that as your foundation, then tweak as required.

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Citrix enables secure End User Computing services across multiple platforms and devices, enabling users to do more, using more devices from more locations. However, these End User Computing services encompass and support many different technologies that vary significantly from one organization to another. Users getting access to their desktops and applications is the first step, which is why monitoring the logon performance has become critical for Citrix-based IT services. That's why eG Innovations recently announced a Free Logon Simulator for Citrix XenApp and XenDesktop. But that's only a first impression. To make a lasting impact on user experience, the applications and desktops being delivered on top of the Citrix service must also perform, and these digital business services will be comprised of many different components from any number of suppliers. Discover how Citrix and eG Enterprise can combine to provide you with end-to-end performance management that can make a lasting impression your users will love.

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Users expect - and demand – that the performance of their virtual applications and desktops match, if not exceed, the performance of their physical applications and desktops. So, when virtualizing Citrix applications or desktops, a great user experience is the key for success. Slow logons, session disconnects and screen freezes are just some of the performance issues that might affect user experience when virtualizing Citrix environments. To avoid these potential issues and ensure the success of Citrix-based IT transformation initiatives, IT managers must be able to monitor and manage the user experience to ensure optimal user satisfaction and productivity. View these slides from our most recent webinar where Bala Vaidhinathan, CTO of eG Innovations, discusses how you can monitor and manage the experience of your Citrix users to guarantee Citrix virtualization success

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Logon is a user's first interaction with the Citrix digital workspace service, and hence, a slow logon can influence a user's opinion of the service in a way that no other metric can. Therefore, logon time is the #1 key performance indicator (KPI) in Citrix environments. Slow logons have an impact not just on user perception, but also productivity. When each logon takes minutes — maybe on multiple systems — it results in lost work time and costs the business. So, it is imperative that logons be as quick and non-intrusive as possible. But how can we make this happen? Learn some of the best practices for Citrix logon time optimization.

citrixcitrix performance monitoringcitrix xenapp
© eG Innovations, Inc. | www.eginnovations.com
Best Practices for Troubleshooting Problems Originating
from the Client Side
StoreFront Delivery Controller
Citrix ADC
Citrix End Users
License
Server
Citrix Provisioning
Active DirectorySQL Server
Citrix Virtual Apps
Server
Hypervisor
Internet/
WAN
Storage
Client Side
Citrix End Users
Firewall
Corporate
Network
Client
Network
© eG Innovations, Inc. | www.eginnovations.com
Investigating Issues on The Client Side
• Is the client endpoint running the latest version of Citrix Workspace?
• Is there anti-virus running on the client workstation that may be interfering with
ICA traffic?
• Is the browser that the user is using to access Citrix session slow?
─ Are there browser add-ons such as proxies or content filtering software that is blocking
or preventing ICA from optimally performing?
• Is the client workstation having any problems?
─ A background application/process taking too much resources
• Old hardware running an outdated, unpatched Operating System?
Client-side Issues
© eG Innovations, Inc. | www.eginnovations.com
Investigating Issues on The Client Side
• How is the network connectivity on the client side?
─ Are there any firewall settings on the workstation that’s affecting connectivity?
─ What is the network latency? Bandwidth?
─ Citrix APIs/counters provide latency and bandwidth information for virtual channels
Client-side Issues
© eG Innovations, Inc. | www.eginnovations.com
Tips to Avoid Issues on the Client Side
• Make sure to have the most recent version of Citrix Workspace app installed on the
endpoint
• Test network connection strength from the user terminal to Citrix Site
─ Citrix’s Connection Quality Indicator tool can be useful
(https://support.citrix.com/article/CTX220774)
• Check the user’s profile and see if there’s any issue, such as a large profile size
• Check Active Directory to see if the user account does not have any non-essential
Group Policy settings applied or logon scripts
• Check for memory, disk and storage issues on the client workstation
• Make sure the browser used to access StoreFront or Citrix Gateway is of the latest
version and is clean e.g. not overloaded with plugins, toolbars etc.
Client-side Issues

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This document discusses keys to a successful Citrix migration using eG Enterprise software. It identifies 4 keys: 1) having universal insight across the enterprise, 2) testing and troubleshooting, 3) building performance profiles for the current and new environments, and 4) maintaining a positive end user experience. eG Enterprise provides a single interface for monitoring all applications, platforms, and domains, and helps optimize staffing levels, reduce costs, deliver projects on time and budget, and ensure migration success.

Why does Citrix use eG Enterprise for End-to-End Monitoring at Citrix Summit ...
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This document discusses Citrix's use of eG Enterprise for end-to-end monitoring of their user conferences. It provides an overview of eG Innovations and its monitoring capabilities. Citrix requires a monitoring solution that provides unified visibility across all Citrix tiers from a single console, with insights to pinpoint root causes. eG Enterprise meets these needs through its end-to-end, scalable, and proactive monitoring of Citrix infrastructure, supporting faster issue resolution. The presentation also covers new features in eG 6.3 like expanded XenApp/XenDesktop monitoring and support for technologies like Citrix Adaptive Transport and Linux VDAs.

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Choosing a Citrix Monitoring Strategy: Key Capabilities and Pitfalls to Avoid
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Citrix performance monitoring has been gaining a lot of attention and interest. In this presentation, we outline key requirements that any Citrix monitoring solution should support. We analyze the built-in Citrix monitoring tools: Citrix Director, Citrix NetScaler Insight and the Microsoft SCOM management packs and discuss their capabilities and limitations. The need to have at least three different consoles for monitoring a Citrix infrastructure makes monitoring and diagnosis very inefficient. We discuss how the eG Enterprise solution integrates with the built-in Citrix tools and provides 360 degree unified monitoring for a Citrix infrastructure with automated root-cause diagnosis.

citrix performance monitoringcitrix xenapp monitoringcitrix director
© eG Innovations, Inc. | www.eginnovations.com
Optimizing the Citrix
Environment
For Maximum Performance
© eG Innovations, Inc. | www.eginnovations.com
Achieve Persistency Even Across Non-Persistent Desktops
• Citrix Profile Management and Citrix WEM allow profiles, mapped drives, printers,
and other actions to roam with users regardless of which desktop they connect to,
providing a persistent feel
• Citrix App Layering (Elastic Layers) can solve niche cases where users need access to
specific applications, providing them with a unique desktop experience even on non-
persistent desktops
© eG Innovations, Inc. | www.eginnovations.com
Achieve a Roaming OST for a Great Email Experience
Office 365 User Layers captures the
OST file in a VHDX container, which
can roam between desktops.
FSLogix Office 365 Containers
provide the same solution, plus
many additional advanced features.
Cache Exchange Mode with Office 365 is desired, but how
can that work effectively in a non-persistent environment?
© eG Innovations, Inc. | www.eginnovations.com
Achieve Successful Patching of Citrix Images
• Review Citrix validated patching reports
─ https://support.citrix.com/pages/interop
• Perform your own tests on patched images before rolling out to production
• Carry out full change control procedures
• Roll out patches to 10% of estate initially, before rolling out to entire Site
• Use disk versioning to ensure successful rollback (Citrix Provisioning/PVS)
• Keep previous MCS images or image versions to ensure rollback of Machine Catalogs
• Use Citrix App Layering to reduce patching efforts

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Logon is a user's first interaction with the Citrix digital workspace service, and hence, a slow logon can influence a user's opinion of the service in a way that no other metric can. Therefore, logon time is the #1 key performance indicator (KPI) in Citrix environments. Slow logons have an impact not just on user perception, but also on productivity. When each logon takes minutes — maybe on multiple systems — it results in lost work time and costs the business. So, it is imperative that logons be as quick and non-intrusive as possible. But how can we make this happen? Learn some of the best practices for Citrix Logon time optimization.

citrix performance managementcitrix monitoringcitrix xenapp
How to simplify the monitoring of multi-cloud environments
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This document discusses monitoring applications deployed across multiple cloud platforms. It notes that 92% of organizations have a multi-cloud strategy and that operational complexity increases in these environments. A demo application is described that is deployed across AWS and Azure to showcase issues that can occur. The presentation emphasizes that traditional monitoring tools are insufficient for multi-cloud and that capabilities like auto-discovery, intelligent alerting, visualizations and root cause analysis are needed to effectively monitor applications in these environments.

Migrating to the Cloud – Is Application Performance Monitoring still required?
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As more businesses adopt cloud technologies for their various benefits it must be noted that not all cloud offerings are the same and provide different services or infra SLA. Do you know that not all SLA from cloud providers mean your application will be ensured similar availability? Depending on whether you are leveraging Saas, Paas, Iaas, etc to deliver your applications, you will have a different level of visibility and control of how you manage performance and deliver the user experience expected by your users. Join the session and find out what remains within your responsibility and how you can monitor the various cloud infrastructure/services to give yourself the needed visibility to deliver the expected user experience without over-provisioning to ensure better performance.

© eG Innovations, Inc. | www.eginnovations.com
How to Keep on Top of Your Images & VDA Housekeeping Tips
• Consult with HR/Active Directory teams to be notified when staff have left
the company
─ Remove persistent desktops or reassign to other staff
• Review desktop count regularly and reduce pool if required, or increase it
• Retire VDAs hosting applications that have since been migrated to newer
VDAs, or moved to the cloud/SaaS
• Use monitoring software that can alert you when VDAs have not been
logged on to for a period of time
• Take backups of images and then delete the live copies as part of
decommission process Script to find unused VDAs:
https://www.jgspiers.com/find-unused-vdas-script/
© eG Innovations, Inc. | www.eginnovations.com
Successfully Deploy New Desktops or Applications to Citrix
• Consult with application vendors to understand h/w requirements to run their software,
especially in a multi-user environment
• Consult with application vendors to understand s/w requirements to run or work alongside the
applications, such as Outlook/Excel/Word/Java/.NET/Internet Explorer
• Deploy OS and s/w that both are in support by Microsoft, Citrix, and the application vendor(s)
• Profile staff, learning which peripherals they will use with the application, what network drives
they need access to, what printers they need access to and so on
• Design desktops and application servers according to requirements
• Design Citrix and Group Policies appropriately according to requirements. Lifting restrictions on
clipboard access, client drive mapping and so on may be required
• Run initial pilots to determine user acceptability, and gather resource consumption metrics to
determine impact through scale. Move pilot into staged production
© eG Innovations, Inc. | www.eginnovations.com
Effectively Plan for Disaster Recovery
• Document steps required to recover a site in the event of a disaster, i.e. datacentre
outage. This allows staff to understand what they need to do both technical and
non-technical
• Ensure that the load of a datacentre can be hosted elsewhere, i.e. cloud or a
recovery datacentre
• Use N+1 method to deploy StoreFront and Delivery Controllers
• SQL, Domain Controllers, hypervisors, and so on need to be redundant and cope
under partial failure
• Citrix ADC can help route traffic away from StoreFront etc. servers that are down
• Test Local Host Cache and configure your DDCs to cope with extra registration
requests, etc.
• Regularly review disaster plan and annually or bi-annually perform disaster testing
https://www.jgspiers.com/citrix-local-host-cache/
© eG Innovations, Inc. | www.eginnovations.com
How Automated Monitoring
Aids in Citrix
Troubleshooting

Recommended for you

Key criteria for choosing APM solutions for the next normal: analysis of surv...
Key criteria for choosing APM solutions for the next normal: analysis of surv...Key criteria for choosing APM solutions for the next normal: analysis of surv...
Key criteria for choosing APM solutions for the next normal: analysis of surv...

Historically, Application Performance Monitoring (APM) tools have mainly been focused on providing code level visibility for web applications. IT managers have had to deploy these solutions to complement infrastructure monitoring solutions to get end-to-end visibility across applications and services. To understand how the APM needs of organizations have evolved in the next normal, eG Innovations and DevOps Institute conducted a survey. Over 900 software professionals - DevOps engineers, SREs, ITOps teams and system admins – shared their knowledge and thinking. We’ve invited Eveline Oehrlich, Chief Research Officer at DevOps Institute and ex-Forrester VP and Research Director to join us to dissect the results of this survey. Eveline will share her experiences and knowledge within the APM space, discuss trends and will discuss what the future of APM should look like. Also joining the discussion will be Arun Aravamudhan, Head of Java APM and Web Products and web products at eG Innovations. We are looking forward to you joining this webinar. Here are some highlights on what we will cover: - Why APM is no longer just about code-level analysis - The need for converged application and infrastructure monitoring - The strategy for Kubernetes and cloud monitoring in the next normal - The challenges with native cloud monitoring options - Application performance management has gained management attention Register now and learn the current state of APM adoption and how business needs in the next normal will change how APM should be leveraged.

How Citrix Admins can get a Virtual Assistant
How Citrix Admins can get a Virtual AssistantHow Citrix Admins can get a Virtual Assistant
How Citrix Admins can get a Virtual Assistant

By offering a unified place for people to access any app, whether SaaS, web, mobile or virtual digital workspaces have become mission-critical for the new way of work. As digital workspaces evolve in scale, complexity and business importance Citrix Admins need unified visibility and actionable insights to diagnose and resolve performance issues across the entire IT environment—both physical and virtual; both on-premises and cloud.   This requires deep Citrix domain expertise along with end-to-end visibility across Citrix and non-Citrix tiers; which can quickly overwhelm most Citrix administrators. Citrix Admins need a virtual assistant to:   • Proactively monitor digital workspace user experience • Automatically isolate and remediate performance issues • Align capacity to changing business and user requirements • Improve user experience with embedded analytics   Join John Worthington, Director Customer Success and Nanda Kumar, Director Solutions Engineering at eG Innovations, for an action-packed demonstration of how eG Enterprise is the digital assistant every Citrix Admin needs.

Make synthetic monitoring a critical part of your IT monitoring strategy: Why...
Make synthetic monitoring a critical part of your IT monitoring strategy: Why...Make synthetic monitoring a critical part of your IT monitoring strategy: Why...
Make synthetic monitoring a critical part of your IT monitoring strategy: Why...

Many IT monitoring tools fail in the real-world because they are reactive to events that have happened. The first time the IT team knows there is a problem is when the service desk sees a pile of tickets with users complaining that their “application is slow.” Adding a layer of synthetic monitoring can make ITOps go from being reactive to proactive. This helps the ITOps team to cut down on the number of service desk tickets because you can see where the bottlenecks are before end-users even notice. While logon simulators are ubiquitous for Citrix and VMware Horizon environments, users really care about whether the applications they use in their job such as SAP, Office, Epic or Salesforce are responsive and usable. Join us for this webinar where you will learn: - How to record and automate REAL workflows to test any application – web apps or thick apps within a published desktops like Citrix, VMware Horizon, Amazon WorkSpaces, Microsoft AVD, etc. - How to check that web apps used by your employees are not just responsive but working as expected – this is critical for businesses that rely on SaaS applications like Office 365 and Salesforce - How to validate that employees are able to logon to published desktops AND perform routine tasks in applications like SAP and Epic - How to correlate the performance of the application with the underlying IT infrastructure to determine if bottlenecks are on the users’ network, in the third-party application or within your infrastructure If you are struggling to be proactive, or to shift from monitoring resources to monitoring the digital experience of your users, then you need to attend this webinar to see just how easy it is to get started with synthetic monitoring.

#syntheticmonitoring
© eG Innovations, Inc. | www.eginnovations.com
Lifecycle of a Citrix Deployment
Design
Test &
Deploy
Operate
&
Maintain
Trouble-
shoot
Optimize
Rectify Monitor
© eG Innovations, Inc. | www.eginnovations.com
Synthetic and Real User
Experience
Citrix and Supporting
Infrastructure
End-to-End
Performance Correlation
Reports, Analytics, Machine
Learning
Monitor Every Layer,
Every Tier
Pinpoint Root Cause of
Problems
Right-size & Optimize for
Maximum Performance
Measure All Aspects of Citrix
User Experience
1
2
3
4
End-to-End Monitoring with eG Enterprise
© eG Innovations, Inc. | www.eginnovations.com
eG Enterprise Demo
© eG Innovations, Inc. | www.eginnovations.com
Dramatically simplify and
accelerate application
performance management.
Deliver peak performance,
user satisfaction and ROI.
User Satisfaction
IT Productivity
Higher service
uptime
Simplicity
Cost control & ROI
Total Citrix
Performance
Management
“
”
Benefits of Using eG Enterprise

Recommended for you

Unified Cloud Performance Monitoring - The Need of The Hour
Unified Cloud Performance Monitoring - The Need of The HourUnified Cloud Performance Monitoring - The Need of The Hour
Unified Cloud Performance Monitoring - The Need of The Hour

This document discusses eG Innovations, a provider of enterprise performance management software. It monitors physical, virtual, cloud and hybrid environments. The document outlines eG's proposition of providing a single console to monitor heterogeneous and hybrid clouds. It highlights eG's support for various applications, platforms, operating systems and technologies. The document also demonstrates eG's capabilities like automated discovery, diagnostics, reporting and analytics across physical, private and public cloud infrastructures.

#unified
Digital Workspace Deployment and Performance Monitoring in the New Normal - S...
Digital Workspace Deployment and Performance Monitoring in the New Normal - S...Digital Workspace Deployment and Performance Monitoring in the New Normal - S...
Digital Workspace Deployment and Performance Monitoring in the New Normal - S...

The last year has been tumultuous for everyone. For the end-user computing community, it was an extraordinary time with everyone having to deal with new requirements from their businesses at short notice. Over the last 3 months, xenappblog and eG Innovations conducted a survey to learn how organizations have adapted their digital workspaces to the new normal. For this webinar titled Digital Workspace Deployment and Performance Monitoring in the New Normal, we have invited three EUC experts to analyze and share their thoughts on the key findings of this survey of over 1050 digital workspace professionals. Join this webinar and learn answers to several key questions, such as how many organizations adopted digital workspaces for the first time, how many are using cloud workspaces, how popular are different workspace technologies, how many monitoring tools are being needed to get a complete view of the digital workspace environment, and many more. #digitalworkspace

Lessons from Experts: How you can create a Great Digital Workspace Experience...
Lessons from Experts: How you can create a Great Digital Workspace Experience...Lessons from Experts: How you can create a Great Digital Workspace Experience...
Lessons from Experts: How you can create a Great Digital Workspace Experience...

The document discusses how organizations can improve their digital workspace experience. It outlines three main topics: 1) How to greatly improve the virtual workspace experience through fast logins, proactive problem identification and quick issue resolution. 2) How to reduce service desk tickets by up to 50% through visibility insights that identify the root causes of issues. 3) How to prevent ticket escalation delays ("hot potato") and reduce troubleshooting times through a holistic monitoring solution that provides expertise to optimize systems and processes. The presentation promotes the Deptive Visibility Insights product to help organizations achieve these goals.

digital workspacedeptive
© eG Innovations, Inc. | www.eginnovations.com
© eG Innovations, Inc. | www.eginnovations.com
Thank You!
For more information on Citrix
monitoring, contact eG Innovations:
www.eginnovations.com
info@eginnovations.com
For more information on Citrix
troubleshooting, contact George Spiers:
www.jgspiers.com
george@jgspiers.com

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Citrix Troubleshooting 101

  • 1. © eG Innovations, Inc. | www.eginnovations.com Citrix Troubleshooting 101 How to Resolve and Prevent Business-Impacting Citrix Problems
  • 2. © eG Innovations, Inc. | www.eginnovations.com Know Your Speaker Natalie Tomko Digital Marketing Manager eG Innovations Moderator George Spiers Citrix Technology Professional (CTP) and EUC Architect Speakers Barry Schiffer CTP and Pre-sales Consultant eG Innovations Over 20 years of experience working with Citrix technologies. barry.schiffer@eginnovations.com | www.eginnovations.com Citrix Certified Expert and Microsoft Solutions Expert. One of the 50 CTPs in the world. george@jgspiers.com | www.jgspiers.com
  • 3. © eG Innovations, Inc. | www.eginnovations.com Agenda • Understanding the Impact of Poor Citrix Performance • 3 Key Steps to Troubleshoot Citrix Problems ─ Determining the Scope, Magnitude, and Source of the Problem • Troubleshooting Tips from the Trenches ─ Citrix tiers, supporting infrastructure, client-side problems • Supporting remote workers in the new normal • Tips to Optimize your Citrix Deployment • How Automated Monitoring Aids in Troubleshooting
  • 4. © eG Innovations, Inc. | www.eginnovations.com Citrix is Performance Sensitive 48% 45% 7% The most performance sensitive service Similar in performance demands as other services Not that performance sensitive 93% believe that Citrix is one of the performance sensitive services in enterprise networks. Source: 2016 Citrix Performance Survey https://www.eginnovations.com/solutions/view-resources?whitepaper=36 • Many components are involved in Citrix delivery • Too many interdependencies between tiers • Any fault or failure cascades into a bigger problem that affects performance • Performance relies heavily on supporting infrastructure • Configuration can make or break performance
  • 5. © eG Innovations, Inc. | www.eginnovations.com What Happens When Users Complain that “Citrix is Slow”? Users start to complain that Citrix has suddenly become very slow Helpdesk starts getting user complaints Helpdesk alerts the Citrix administration team to begin investigations Citrix admins begin investigating the cause for slowness • Loss of productivity to users • Pressure on IT to fix the problem soon• Customer satisfaction is affected
  • 6. © eG Innovations, Inc. | www.eginnovations.com Slowness is Expensive! Loss of Productivity Application slowness for 3 hours; User productivity loss: $200/hr X 3 hours X 1000 users = $600,000 per incident Operations Cost Expert IT staff involved in troubleshooting costing $45/hr X 10 staff X 3hrs = $1,350 per incident
  • 7. © eG Innovations, Inc. | www.eginnovations.com Slowness is Expensive! Unforeseen Capital Expense Projection 50 users/ server Actual 25 users/ server Double the number of servers needed; $50,000 per server, 5 servers = $250,000 additional cost Failure of Transformation Project Performance slower than physical desktops Users unhappy; want physical desktops back; Cost increase: $600 per user * 1000 users = $600,000
  • 8. © eG Innovations, Inc. | www.eginnovations.com Performance Must Be Considered at Every Stage of the Citrix Deployment Lifecycle Design Test & Deploy Operate & Maintain Trouble- shoot Optimize Rectify Monitor Trouble- shoot
  • 9. © eG Innovations, Inc. | www.eginnovations.com Troubleshooting Tips from the Trenches Solve Top Citrix Problems
  • 10. © eG Innovations, Inc. | www.eginnovations.com Common Citrix Problems Logon is slow Application is slow to launch Keystrokes don’t show up on time Multimedia playback is choppy User ComplaintsPrinting doesn’t work Session gets disconnected Where to begin troubleshooting?
  • 11. © eG Innovations, Inc. | www.eginnovations.com 3 Key Steps to Troubleshooting #1 Determine SCOPE of the problem #2 Determine MAGNITUDE of the problem #3 Determine SOURCE of the problem
  • 12. © eG Innovations, Inc. | www.eginnovations.com Determining The SCOPE of The Problem Troubleshooting must be problem specific • For e.g.: Citrix logon slowness will have different reasons and troubleshooting fixes from slow application access Is it just one task that the user is facing an issue with, or are all tasks slow? Logon Session Setup App Launch App Usage Remote Access Printing
  • 13. © eG Innovations, Inc. | www.eginnovations.com Determining The MAGNITUDE of the Problem One user is impacted Several users are impacted Less impact Moderate impact All users are impacted Critical impact • Which user? Where? When? • Is there a problem with the user's network? • What version of Citrix Workspace app does the user have? • Problem with a specific application or all applications? • Is there any commonality between these users? ─ Same server? ─ Same apps? ─ Same domain? ─ Same location? ─ Same Workspace app version? ─ Same client Operating System? • Is there DC network latency? • Is there WAN network latency? • Is the Citrix Provisioning server or license server having an issue? • Are StoreFront and Citrix ADC working fine? • Is the virtual environment experiencing a bottleneck? • Is there a problem in the storage environment?
  • 14. © eG Innovations, Inc. | www.eginnovations.com Determining The SOURCE of the Problem StoreFront Delivery Controller Citrix ADC Citrix End Users License Server Citrix Provisioning Active DirectorySQL Server Citrix Virtual Apps Server Hypervisor Internet/ WAN Storage Client Side Citrix Delivery Infrastructure Supporting Infrastructure Citrix End Users Firewall Corporate Network Client Network Corporate Network
  • 15. © eG Innovations, Inc. | www.eginnovations.com Best Practices for Troubleshooting Common Citrix Problems StoreFront Delivery Controller Citrix ADC Citrix End Users License Server Citrix Provisioning Active DirectorySQL Server Citrix Virtual Apps Server Hypervisor Internet/ WAN Storage Citrix Delivery Infrastructure Citrix End Users Firewall Corporate Network Client Network  Slow Logon  Slow App Launch  Session Disconnects  Frozen Sessions  Session Latency
  • 16. © eG Innovations, Inc. | www.eginnovations.com Slow Logon is the #1 Problem for Citrix Admins Source: 2018 Citrix Migration Survey www.eginnovations.com/Citrix-Migration-Trends • In an environment that averages 500 user logons per business day, an average 10- second increase in logon times over a 5-day week period results in over 6 hours of lost productivity! • Slow logons are ranked the #1 problem for Citrix admins #1 Slow Logon
  • 17. © eG Innovations, Inc. | www.eginnovations.com Investigating Citrix Logon Slowness This will help isolate which part of the infrastructure to go investigate for issues Identify which step of the logon process is taking more time to execute #1 Slow Logon
  • 18. © eG Innovations, Inc. | www.eginnovations.com Monitoring Citrix Logons: No Longer a Science Logon Simulation #1 Slow Logon Simulated logon via Citrix Gateway Applications enumerated on the StoreFront console Launching application on StoreFront Citrix Director Real User Monitoring
  • 19. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Logon Slowness • If using Citrix Profile Management, make sure your storage location is configured with high speed access to your desktops and applications • Make sure that you have enough compute available to cope with demand. Always size for peak load + 10-20%. • Use Citrix Workspace Environment Management (WEM) to map printers, drives and other actions after logon. • Reduce the Group Policy settings that need to apply to your end-users. • Reduce the amount of applications installed on your gold images. Plan your application and image strategy. • Optimise your images – Disable unneeded services, scheduled tasks, and tweak the OS for better performance #1 Slow Logon ─ https://support.citrix.com/article/CTX224676 - Citrix Optimizer
  • 20. © eG Innovations, Inc. | www.eginnovations.com Citrix Workspace Environment Management (WEM) With WEM Without WEM All the processing is done after logon Logon speed is improved All the processing steps happen before logon #1 Slow Logon
  • 21. © eG Innovations, Inc. | www.eginnovations.com Investigating Slow Application Launch • Is the launch for only one application slow, or for all applications? • Is slowness affecting application launch on one VDA or all VDAs? • Compare workloads of VDAs in use • Published apps may involve user session establishment. So brokering, GPOs etc. can cause slowness. • Look for add-ins/plugins (e.g., Outlook, Browser, etc.) that may be causing app launch slowness • Look for proxies and other intermediary hops between the end user and VDA • When you console directly on to the VDA, does the application launch slowly? #2 Slow App/Desktop Launch
  • 22. © eG Innovations, Inc. | www.eginnovations.com Monitoring Slow Application Launch #2 Slow App/Desktop Launch eG Enterprise • Application availability and launch with real simulation ─ App Probing using Director ─ Logon simulation tools • Monitor actual application launch times (using Windows APIs)
  • 23. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Slow Application/Desktop Launch #2 Slow App/Desktop Launch • Optimise images • Make use of session prelaunch for published applications when makes sense • Make sure VDAs are spec’d appropriately and not overloaded, especially during peak times. Remember, size for peak + 10-20% • Make sure you have enough VDAs powered on and available to handle requests • Make sure you have enough DDCs to handle brokering requests • Configure Group Policy as per best practices • Ensure your Citrix profile/3rd party profile solution is optimized & not a bottleneck • Keep your Virtual Apps and Desktops deployment up-to-date, including Workspace app • Make use of Zones to broker users to desktops/applications closest to them, if you have multiple-datacentres
  • 24. © eG Innovations, Inc. | www.eginnovations.com Implement Brokering Improvements (7.11+) Improvements to Latency and SQL Blocking Query Before XA/XD 7.11 (90ms latency) XA/XD 7.11+ (90ms latency) Brokering requests per sec 3.7 12.6 Time to launch 10k users 44m 55s 13m 10s Quicker brokering = quicker launch times! Keep your environments up to date #2 Slow App/Desktop Launch
  • 25. © eG Innovations, Inc. | www.eginnovations.com Use Session Prelaunch (7.6+) • Session is pre-prepared when user logs on to StoreFront • When user clicks to launch application, the majority―if not entire―logon process would have already completed in background • Not always will a user launch a Virtual Apps application straight away, they may check emails. In the meantime, let Virtual Apps prepare the session in the background. • Keep in mind that licenses are checked out, so you can set a time limit to end pre- launched sessions if they are not used after a period of time. #2 Slow App/Desktop Launch
  • 26. © eG Innovations, Inc. | www.eginnovations.com Workspace app 2006.1 – Long Launch Times Problem: Workspace app 2006.1 takes a long time to launch an ICA session Cause: This can occur if the endpoint running Workspace app cannot connect to locus.analytics.cloud.com:443 Resolution: Create DWORD SendPublicIP with a value of 0x1 under HKLMSOFTWAREWOW6432NodeCitrixDazzle #2 Slow App/Desktop Launch
  • 27. © eG Innovations, Inc. | www.eginnovations.com Investigating User Session Disconnects • Follow a process of elimination to determine if: ─ This happens to particular users, or all users ─ Happens when using specific desktops or published applications ─ Happens to users from particular offices and so on #3 User Session Disconnects • Check Event Logs on VDAs around the time when disconnect happened • Check Event Logs on endpoint around the time when disconnect happened • Run network connectivity tests for affected users • Run tests on VDAs to make sure they are not losing network connection briefly • Check that proxies, firewalls and antivirus products are not interfering with ICA traffic
  • 28. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid User Session Disconnects • Make sure your environment is on the latest updates/versions: ─ Workspace app should be up to date ─ VDAs are always patched with the latest releases from Microsoft ─ Update Hypervisor tools such as VMware Tools ─ Ensure that Citrix Virtual Apps and Desktops is kept up to date • Ensure network monitoring is in place and the networking fabric is kept up to date to ensure optimal performance and stability • Ensure your desktops are kept up to date with the latest Microsoft patches, and drives for network cards etc are running from latest versions • Keep a record of what has changed in the environment so you can roll-back easily if disconnects happen suddenly after a change e.g. Workspace app upgrade #3 User Session Disconnects
  • 29. © eG Innovations, Inc. | www.eginnovations.com Enable Workspace app Logging for further evidence https://www.jgspiers.com/citrix-receiver-windows-logging/ General Workspace app logging: Set ReceiverVerboseTracingEnabled to 1 under HKLMSOFTWARECitrix for 32-bit machines or HKLMSOFTWAREWOW6432NodeCitrix for 64-bit machines #3 User Session Disconnects
  • 30. © eG Innovations, Inc. | www.eginnovations.com Investigating Frozen Sessions • Are all users on the same VDA affected or just one? • Does exiting Receiver, re-launching and connecting back to the session work? • Can you force the user off via Director, or by killing processes via Director or Task Manager on the VDA? • Is a process thrashing CPU, memory, or disk on the VDA(s)? • Does the VDA need to be drained and rebooted to clear the frozen session? #4 Frozen Sessions
  • 31. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Frozen Sessions • Make sure your environment is on the latest updates/versions: ─ Citrix Receiver/Workspace app should be up to date ─ VDAs are always patched with the latest releases from Microsoft ─ Update Hypervisor tools such as VMware Tools ─ Hypervisors should have latest patches ─ Ensure that Citrix Virtual Apps and Desktops is kept up to date • Make sure that VDAs are spec’d appropriately if a session froze due to CPU thrashing or lack of RAM. WEM can help here. • If using Citrix Provisioning (PVS), make sure your Write Cache set to “Cache on device RAM with overflow to HDD” ─ Ensure the Write Cache for PVS and MCS is large enough to cope with writes. • Follow Citrix recommendations for Antivirus exclusions: ─ https://support.citrix.com/article/CTX127030 #4 Frozen Sessions
  • 32. © eG Innovations, Inc. | www.eginnovations.com Hide Citrix Sessions https://www.jgspiers.com/user-stuck-citrix-desktop-force-log-off/ Session frozen on VDA, but you cannot reboot immediately (Virtual Apps)? #4 Frozen Sessions
  • 33. © eG Innovations, Inc. | www.eginnovations.com Best Practices for Troubleshooting Problems in the Infrastructure Supporting Citrix Deployments (on-premises) StoreFront Delivery Controller Citrix ADC Citrix End Users License Server Citrix Provisioning Active DirectorySQL Server Citrix Virtual Apps Server Hypervisor Internet/ WAN Storage Supporting Infrastructure Citrix End Users Firewall Corporate Network Client Network
  • 34. © eG Innovations, Inc. | www.eginnovations.com Best Practices for Troubleshooting Problems in the Infrastructure Supporting Citrix Deployments (Citrix Cloud) Workspace Cloud Connector Gateway Service Citrix End Users License Server Citrix Provisioning Active Directory SQL Server Citrix Virtual Apps Server Hypervisor CorporateLAN Internet/ WAN Storage Supporting Infrastructure Citrix End Users Firewall Public Internet Client Network Delivery Controller Cloud Connector Citrix _Cloud
  • 35. © eG Innovations, Inc. | www.eginnovations.com Investigating Issues with the Supporting Infra • Network ─ Don’t assume, monitor! ─ May not just be your routers or switches. Network card issues can cause performance problems ─ Speed negotiation problems, driver issues can also affect performance • Active Directory ─ Sites and Services may not be correctly configured if you have multiple sites across your organisation ─ Logon scripts may be configured on user accounts through ADUC which can be bad for logon times ─ DNS if incorrectly configured could cause problems with applications and services • Hypervisor ─ Monitor resource usage – look for bottlenecks; Follow vendor-specified best practices ─ VM ready time, memory ballooning and swapping, disk queueing and aborts ─ Monitor resources used by other VMs • Storage ─ Detect storage failures (failures remain hidden in RAID environments) ─ Monitor LUN-level I/O activity • Cloud ─ Ensure you are not reaching capacity limits ─ Look for bandwidth / connection problems to the cloud Infrastructure Issues
  • 36. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Issues in the Supporting Infra Infrastructure Issues • Make sure Group Policy is configured to apply only relevant policies. You can move a lot of Group Policy settings off to WEM if you are entitled • Size your hypervisors to cope with peak load. That is, the maximum number of sessions you need to support concurrently with a 10-20% buffer. ─ Also factor in host failure or datacentre outage and how that will affect remaining healthy infrastructure. Can you support all users in one datacenter? • If using file servers for Profile Management or Folder Redirection, make sure enough disk capacity, RAM and CPU is assigned to these servers, and that high availability is in place • Keep the number of Organizational Units and Security Groups at a minimum. This will make management easier and speed up troubleshooting • Monitor and always regularly patch storage, networking and hypervisor infrastructure • Maintain tight change-control and always keep track of changes to the environment • Keep track of known issues through software releases. Release notes and social channels recommended.
  • 37. © eG Innovations, Inc. | www.eginnovations.com Supporting remote workers In the new normal
  • 38. © eG Innovations, Inc. | www.eginnovations.com Investigating Internal or External Session Latency • If only external users are facing issues, but not internal users: ─ Are the Citrix ADCs under load? ─ Is latency caused by routing or issues in the DMZ? ─ Could user's WAN connection be a problem? #5 Session Latency • If both internal and external users are affected, check StoreFront, other Citrix components, other supporting infrastructure components, and the datacentre network StoreFront Citrix ADC Internet/ WAN Firewall WAN Latency DC Latency Internal User External User
  • 39. © eG Innovations, Inc. | www.eginnovations.com Monitoring Session Latency • Use Citrix ADM to view DC latency and WAN latency metrics obtained by analysing the HDX traffic flowing through Citrix Gateway #5 Session Latency Customers not on Citrix Gateway Premium licensing can rely on AppFlow monitoring tools from vendors (eG Innovations, others)
  • 40. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Session Latency • Monitor resource usage on your VDAs ─ Detect users/applications taking up too much resources proactively • Monitor browser activity ─ Many monitoring tools can show URLs accessed by users ─ Limit browser access to web sites required for business activities • For remote access, make sure Citrix ADC/Gateway is configured with appropriate licenses that support throughput requirements • Make sure the internal network is performing as should ─ Unforeseen problems can occur – e.g., with network teaming #5 Session Latency
  • 41. © eG Innovations, Inc. | www.eginnovations.com Bind the best TCP profile to your Gateway 1. Browse to your Gateway Virtual Server and bind the TCP Profile nstcp_default_XA_XD_profile to it. #5 Session Latency 2. Edit the nstcp_default_XA_XD_profile profile and uncheck Use Nagle’s algorithm. - Should be done automatically in later builds.
  • 42. © eG Innovations, Inc. | www.eginnovations.com Enable Citrix HDX Adaptive Transport (EDT Protocol) to Improve Latency and Throughput A copy of a 45MB file over a 200ms line is still an incredible 36 seconds faster than the 100ms TCP copy. #5 Session Latency
  • 43. © eG Innovations, Inc. | www.eginnovations.com Enable Audio over RTP to Improve Audio Recording and Playback #5 Session Latency • Set audio to ‘Medium’ • Edit Default.ica on StoreFront to enable RTP • Open firewall ports • Enable DTLS on Gateway Virtual Server
  • 44. © eG Innovations, Inc. | www.eginnovations.com Optimized for WAN policy template Unsure of which policy settings are friendly with WAN connections? #5 Session Latency Check out the Optimized for WAN policy template. Use that as your foundation, then tweak as required.
  • 45. © eG Innovations, Inc. | www.eginnovations.com Best Practices for Troubleshooting Problems Originating from the Client Side StoreFront Delivery Controller Citrix ADC Citrix End Users License Server Citrix Provisioning Active DirectorySQL Server Citrix Virtual Apps Server Hypervisor Internet/ WAN Storage Client Side Citrix End Users Firewall Corporate Network Client Network
  • 46. © eG Innovations, Inc. | www.eginnovations.com Investigating Issues on The Client Side • Is the client endpoint running the latest version of Citrix Workspace? • Is there anti-virus running on the client workstation that may be interfering with ICA traffic? • Is the browser that the user is using to access Citrix session slow? ─ Are there browser add-ons such as proxies or content filtering software that is blocking or preventing ICA from optimally performing? • Is the client workstation having any problems? ─ A background application/process taking too much resources • Old hardware running an outdated, unpatched Operating System? Client-side Issues
  • 47. © eG Innovations, Inc. | www.eginnovations.com Investigating Issues on The Client Side • How is the network connectivity on the client side? ─ Are there any firewall settings on the workstation that’s affecting connectivity? ─ What is the network latency? Bandwidth? ─ Citrix APIs/counters provide latency and bandwidth information for virtual channels Client-side Issues
  • 48. © eG Innovations, Inc. | www.eginnovations.com Tips to Avoid Issues on the Client Side • Make sure to have the most recent version of Citrix Workspace app installed on the endpoint • Test network connection strength from the user terminal to Citrix Site ─ Citrix’s Connection Quality Indicator tool can be useful (https://support.citrix.com/article/CTX220774) • Check the user’s profile and see if there’s any issue, such as a large profile size • Check Active Directory to see if the user account does not have any non-essential Group Policy settings applied or logon scripts • Check for memory, disk and storage issues on the client workstation • Make sure the browser used to access StoreFront or Citrix Gateway is of the latest version and is clean e.g. not overloaded with plugins, toolbars etc. Client-side Issues
  • 49. © eG Innovations, Inc. | www.eginnovations.com Optimizing the Citrix Environment For Maximum Performance
  • 50. © eG Innovations, Inc. | www.eginnovations.com Achieve Persistency Even Across Non-Persistent Desktops • Citrix Profile Management and Citrix WEM allow profiles, mapped drives, printers, and other actions to roam with users regardless of which desktop they connect to, providing a persistent feel • Citrix App Layering (Elastic Layers) can solve niche cases where users need access to specific applications, providing them with a unique desktop experience even on non- persistent desktops
  • 51. © eG Innovations, Inc. | www.eginnovations.com Achieve a Roaming OST for a Great Email Experience Office 365 User Layers captures the OST file in a VHDX container, which can roam between desktops. FSLogix Office 365 Containers provide the same solution, plus many additional advanced features. Cache Exchange Mode with Office 365 is desired, but how can that work effectively in a non-persistent environment?
  • 52. © eG Innovations, Inc. | www.eginnovations.com Achieve Successful Patching of Citrix Images • Review Citrix validated patching reports ─ https://support.citrix.com/pages/interop • Perform your own tests on patched images before rolling out to production • Carry out full change control procedures • Roll out patches to 10% of estate initially, before rolling out to entire Site • Use disk versioning to ensure successful rollback (Citrix Provisioning/PVS) • Keep previous MCS images or image versions to ensure rollback of Machine Catalogs • Use Citrix App Layering to reduce patching efforts
  • 53. © eG Innovations, Inc. | www.eginnovations.com How to Keep on Top of Your Images & VDA Housekeeping Tips • Consult with HR/Active Directory teams to be notified when staff have left the company ─ Remove persistent desktops or reassign to other staff • Review desktop count regularly and reduce pool if required, or increase it • Retire VDAs hosting applications that have since been migrated to newer VDAs, or moved to the cloud/SaaS • Use monitoring software that can alert you when VDAs have not been logged on to for a period of time • Take backups of images and then delete the live copies as part of decommission process Script to find unused VDAs: https://www.jgspiers.com/find-unused-vdas-script/
  • 54. © eG Innovations, Inc. | www.eginnovations.com Successfully Deploy New Desktops or Applications to Citrix • Consult with application vendors to understand h/w requirements to run their software, especially in a multi-user environment • Consult with application vendors to understand s/w requirements to run or work alongside the applications, such as Outlook/Excel/Word/Java/.NET/Internet Explorer • Deploy OS and s/w that both are in support by Microsoft, Citrix, and the application vendor(s) • Profile staff, learning which peripherals they will use with the application, what network drives they need access to, what printers they need access to and so on • Design desktops and application servers according to requirements • Design Citrix and Group Policies appropriately according to requirements. Lifting restrictions on clipboard access, client drive mapping and so on may be required • Run initial pilots to determine user acceptability, and gather resource consumption metrics to determine impact through scale. Move pilot into staged production
  • 55. © eG Innovations, Inc. | www.eginnovations.com Effectively Plan for Disaster Recovery • Document steps required to recover a site in the event of a disaster, i.e. datacentre outage. This allows staff to understand what they need to do both technical and non-technical • Ensure that the load of a datacentre can be hosted elsewhere, i.e. cloud or a recovery datacentre • Use N+1 method to deploy StoreFront and Delivery Controllers • SQL, Domain Controllers, hypervisors, and so on need to be redundant and cope under partial failure • Citrix ADC can help route traffic away from StoreFront etc. servers that are down • Test Local Host Cache and configure your DDCs to cope with extra registration requests, etc. • Regularly review disaster plan and annually or bi-annually perform disaster testing https://www.jgspiers.com/citrix-local-host-cache/
  • 56. © eG Innovations, Inc. | www.eginnovations.com How Automated Monitoring Aids in Citrix Troubleshooting
  • 57. © eG Innovations, Inc. | www.eginnovations.com Lifecycle of a Citrix Deployment Design Test & Deploy Operate & Maintain Trouble- shoot Optimize Rectify Monitor
  • 58. © eG Innovations, Inc. | www.eginnovations.com Synthetic and Real User Experience Citrix and Supporting Infrastructure End-to-End Performance Correlation Reports, Analytics, Machine Learning Monitor Every Layer, Every Tier Pinpoint Root Cause of Problems Right-size & Optimize for Maximum Performance Measure All Aspects of Citrix User Experience 1 2 3 4 End-to-End Monitoring with eG Enterprise
  • 59. © eG Innovations, Inc. | www.eginnovations.com eG Enterprise Demo
  • 60. © eG Innovations, Inc. | www.eginnovations.com Dramatically simplify and accelerate application performance management. Deliver peak performance, user satisfaction and ROI. User Satisfaction IT Productivity Higher service uptime Simplicity Cost control & ROI Total Citrix Performance Management “ ” Benefits of Using eG Enterprise
  • 61. © eG Innovations, Inc. | www.eginnovations.com
  • 62. © eG Innovations, Inc. | www.eginnovations.com Thank You! For more information on Citrix monitoring, contact eG Innovations: www.eginnovations.com info@eginnovations.com For more information on Citrix troubleshooting, contact George Spiers: www.jgspiers.com george@jgspiers.com