The following table shows which 64-bit and 32-bit versions of Windows you can use as a guest operating system for generation 1 and generation 2 virtual machines.
 

64-bit versions of Windows	Generation 1	Generation 2
Windows Server 2019	✔	✔
Windows Server 2016	✔	✔
Windows Server 2012 R2	✔	✔
Windows Server 2012	✔	✔
Windows Server 2008 R2	✔	✖
Windows Server 2008	✔	✖
Windows 10	✔	✔
Windows 8.1	✔	✔
Windows 8	✔	✔
Windows 7	✔	✖

 

32-bit versions of Windows	Generation 1	Generation 2
Windows 10	✔	✖
Windows 8.1	✔	✖
Windows 8	✔	✖
Windows 7	✔	✖

The following table shows which boot methods are supported by generation 1 and generation 2 virtual machines.
 

Boot method	Generation 1	Generation 2
PXE boot by using a standard network adapter (Synthetic NIC)	✖	✔
PXE boot by using a legacy network adapter (Legacy NIC)	✔	✖

The above Microsoft recommendation is supported by Citrix Provisioning Services as well as. To find the Operating systems supported for Hyper V Generation 2 Virtual machines for specific version of the Citrix Provisioning Service Target Device, please refer to the system requirements documentation mentioned under additional resources section.


 

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This article is written to collate the Supportability between the Operating Systems, Hyper V Virtual machine Generation, Standard Network Cards (Synthetic Network Cards) and Legacy Network Cards and Citrix Provisioning Service Target Devices.

Should I create a generation 1 or 2 virtual machine in Hyper-V?
https://docs.microsoft.com/en-us/windows-server/virtualization/hyper-v/plan/should-i-create-a-generation-1-or-2-virtual-machine-in-hyper-v

Citrix Provisioning Service System requirements:
Citrix Provisioning Service 7.15 LTSR - https://docs.citrix.com/en-us/provisioning/7-15/system-requirements.html
Citrix Provisioning Service Current Release - https://docs.citrix.com/en-us/provisioning/current-release/system-requirements.html

Please refer to the Gen 2 VM section for supported Operating systems.