Symptoms
Consider the following scenario:
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You have a computer that is running Windows 7 together with Service Pack 1 and that has Remote Desktop Client (RDC) 7.1 or a third-party implementation that uses Remote Desktop Protocol 7.1.
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In RDC, you connect to a Windows 8.1 virtual machine that has the Microsoft RemoteFX virtual graphics processing unit (vGPU) enabled.
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You play a video in Windows Media Player.
In this situation, the video has a low frame rate and is jittery.
Resolution
Update information
To resolve this issue, install update rollup 2919394 on the Windows Server 2012 R2 Hyper-V host computer. For more information about how to obtain this update rollup package, click the following article number to go to the article in the Microsoft Knowledge Base:
2919394 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 update rollup: February 2014
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
More Information
For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:
824684 Description of the standard terminology that is used to describe Microsoft software updates
