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I would like to install/upgrade powershell in my Windows 2012 R2 server. As default w2k12 have 4.0 powershell so I've downloaded Windows Management Framework 5.1 as file: W2K12-KB3191565-x64.msu When I run this - I'm getting error "The update is not applicable to your computer" - ok... researching google FOUND ...

I have to install full version of .NET Framework 4.5.2 - so ok.. Downloading dotNetFx45_Full_setup.exe and RUN.

Error: ""Microsoft .NET Framework 4.5 is already a part of this operating system. You do not need to install the .NET Framework 4.5 redistributable. Same or higher version of .NET Framework 4.5 has already been installed on this computer.:"

OK trying install Developer Version NDP452-KB2901951-x86-x64-DevPack.exe

Trying check if FULL is installed - (Get-ItemProperty -Path 'HKLM:\Software\Microsoft\NET Framework Setup\NDP\v4\Full' -ErrorAction SilentlyContinue).Version -like '4.5*' Still false

What is going on ? Why its that hard install latest powerhsell 5.1 in Windows 2012 ? :/

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    Make sure that .NET 4.5 Features are enabled under Server Manager - Manage - Add Roles and Features
    – Nick
    Commented Jun 12, 2017 at 19:41
  • all w2k12 have it enabled by default: oi68.tinypic.com/312e1j9.jpg
    – Curl User
    Commented Jun 12, 2017 at 19:49
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    w2k12 is not the same as w2k12r2. You need Win8.1AndW2K12R2-KB3191564-x64.msu
    – BenH
    Commented Jun 12, 2017 at 19:51
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    Not necessarily. I have it blocked on one of our images due to some compatibility issues with older apps. Have you installed all available Windows Updates? @BenH , I didn't catch that. Nice!
    – Nick
    Commented Jun 12, 2017 at 19:51
  • @BenH - thanks for smart eyes I've lost 3 hours for .NET Framework .. and didnt look for good version of WMF installer Win8.1AndW2K12R2-KB3191564-x64.msu. Many Thanks.
    – Curl User
    Commented Jun 12, 2017 at 20:06

1 Answer 1

Reset to default
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Get the update at: https://www.microsoft.com/en-us/download/details.aspx?id=54616&ranMID=24542&ranEAID=TnL5HPStwNw&ranSiteID=TnL5HPStwNw-PY0rN6sxCyF8hlhQhRlodA&epi=TnL5HPStwNw-PY0rN6sxCyF8hlhQhRlodA&irgwc=1&OCID=AID2000142_aff_7593_1243925&tduid=(ir__biyzqumvw9kfrgvj0jd6oxxa1e2xjal2pedo1uo900)(7593)(1243925)(TnL5HPStwNw-PY0rN6sxCyF8hlhQhRlodA)()&irclickid=_biyzqumvw9kfrgvj0jd6oxxa1e2xjal2pedo1uo900

Then select the w2k 2012 R2 specific file name PowerShell5.1 for w2k2012R2:

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    I fell into the same trap, I think. Downloaded W2K12-KB3191565-x64.msu and wondered why it didn't work. I completely skipped over the correct download because it started with "Win8.1...". I didn't notice the full name: Win8.1AndW2K12R2-KB3191564-x64.msu.
    – Simon Elms
    Commented Mar 14, 2020 at 9:31

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