http://blogs.msdn.com/charles_sterling/archive/2009/06/24/how-to-get-around-program-compatibility-assistant-on-windows-server-2008.aspxToday i needed to install Sharepoint Server 2007 non sp1 on Windows Server 2008 –despite the fact there are known issues.  Unfortunately we have made Windows smarter so it won’t let you shoot yourself in the foot and when you attempt an install youen-USCommunityServer 2.1 SP1 (Build: 61025.2)