To enable logging of DirectX VA version 2 events, you will need to add the following registry key.
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Media Foundation] "WmiInstrumentation"=dword:00000001
Direct3D version 9 events are defined under the Microsoft Media Foundation provider GUID, which is provided in the Log.cmd and Circularlog.cmd files.
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Build date: 8/22/2011