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Activating Glass on Windows Vista Beta 2
Windows Vista Beta 2 is fast approaching. If the latest "Beta 2 Preview" is any indication (and by definition, it probably is) then there are some changes coming from previous builds. Most changes are in preparation for beta being more broadly available, but there will still be changes between Beta 2 and RTM.When you install 5381.1 and later on a machine that has a WDDM-capable graphics card, you'll notice that Glass won't be on by default, as in previous builds. It won't even turn on when you check the "Enable Transparent Windows" box in the "Personalize | Visual Appearance" dialog. I couldn't figure out how to fix it... until I did some digging. But it basically said that Windows Aero (formerly Aero Glass) will only be supported on copies of Windows Vista that have been validated by Windows Genuine Advantage (WGA). Also, the WinSAT tool (the Performance Rating Tool) must verify a specific minimum performance level for the graphics card before Glass will be available.(continue at source)