http://msmvps.com/blogs/russel/archive/2009/04/10/windows-foundation-server-2008.aspxMicrosoft announced last week the release of a new edition of Windows Server 2008, The Windows Foundation Server 2008. This a limited version of Windows Server 2008 that requires no CALs, and is only available from hardware OEMs.   You can’t go outenCommunityServer 2008.5 SP2 (Build: 40407.4157)