Have a client on 100 v4.40 premium and needs to go from Windows Server 2003 Datacenter to Windows Server 2008 R2 (64-bit). It is a standard practice for them to use the Datacenter edition when creating new servers. The Enterprise and Datacenter editions are essentially identical so it is very unusual to see Datacenter being listed as unsupported in the SPM matrix. The line is ""Sage MAS 200 is not designed for any version of Windows Datacenter Server and is not supported on this platform."" Has anyone installed this version on a 2008 Windows Server DataCenter? If so, are there any issues?