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I read on Microsoft's DHCP documentation that a client can send there hostname with through an option in the DHCP REQUEST packet. Theoretically, if this were the case, would the lease list contain that information?
– Jon
Commented Feb 28, 2017 at 22:26
It does, if you look in a Windows Server's DHCP Lease List, if the client includes it but it is not required to do so... But I don't know of anyway you could query that other than on the server.
– acejavelin
Commented Feb 28, 2017 at 22:38
1

@Jon, yes, the option to set is "client identifier" as defined in the RFC (see my comment above). The process is defined more in section 3: "The combination of 'client identifier' or 'chaddr' and assigned network address constitute a unique identifier for the client's lease and are used by both the client and server to identify a lease referred to in any DHCP messages."
– MaQleod
Commented Feb 28, 2017 at 22:38

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