Windows 7, Windows Server 2008 R2 & Hyper-V Server 2008 R2 Released to Manufacturing
https://www.microsoft.com/Presspass/press/2009/jul09/07-22Windows7RTMPR.mspx
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https://www.microsoft.com/Presspass/press/2009/jul09/07-22Windows7RTMPR.mspx