Option To Select Physical GPU Is Unavailable In Hyper-V Settings

Microsoft posted a KB article to explain how to resolve an issue when a Windows Server 2012 Remote Desktop Virtualization Host is added to a domain and the default domain policy is applied, the option to select a physical GPU used for Remote FX (within Hyper-V settings) is unavailable.

This is caused because the Users group has been removed from he “Allow log on locally” policy. RemoteFX uses a system account called RDV Graphics Service which is a member of Users. 

The fix is to ensure that:

  1. Users has the Allow Log On Locally right and
  2. Users is not added to the Deny Logon Locally policy.

Note that this issue is fixed in WS2012 R2.

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