http://blogs.technet.com/b/uspartner_ts2team/archive/2010/03/08/windows-server-2008-r2-hyper-v-supported-guest-os.aspxWe have a page that lists our supported OS’ under Hyper-V here . This is where I need to explain the difference between supported and Yes it works . Supported means that we will help troubleshoot and maybe even provide fixes if there are issues with aen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)