http://msmvps.com/blogs/richardwu/archive/2009/07/01/windows-server-2008-licensing-information.aspxAs too many students asking me for the licensing information on WIndows Server 2008, I suggest all of you to take a look at the following link first: Sites regarding Windows Server 2008 licensing. http://www.microsoft.com/windowsserver2008/en/us/clientenCommunityServer 2008.5 SP2 (Build: 40407.4157)