http://blogs.technet.com/kevinremde/archive/2008/10/13/questions-and-answers-from-our-technet-event-in-omaha-part-3-of-4.aspxWARNING: What we have here is a licensing question… Question 3: “How do I upgrade an OEM copy of Vista Home Basic or Premium to Vista Ultimate edition?” The easiest way to do this is to take advantage of the “ Anytime Upgrade ”. You can purchase an upgradeen-USCommunityServer 2.1 SP1 (Build: 61025.2)