http://blogs.msdn.com/b/charles_sterling/archive/2010/04/21/getting-mediaencoder-working-with-windows-7-and-windows-vista-and-video-capture-with-microsoft-test-and-lab-manager.aspxA long time back i posted Mediaencoder doesn’t work with Windows Vista for doing screen captures.  On Windows 7 mediaencoder at least is a little more graceful – in that it disables the Video device. (see image below)   When we built Microsoften-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)