If you are like us, we are always on the cutting edge (what do you expect – we work for Microsoft
Because of this, many of you might find yourself scratching your head when you attempt to update your client or server hardware using the OEMs installation file (*.msi or *.exe). In this post, I want to share a couple of examples of where I was able to successfully get around this using a pretty “unknown†piece of functionality in Windows 7 or Server 2008 R2.
Full Article – http://blogs.technet.com/chrad/archive/2009/07/01/using-windows-7-server-2008-r2-s-compatibility-mode.aspx