Da oggi è disponibile la SP2 per Window Server 2003, di seguito i links:

Novità del Service Pack 2:
http://www.microsoft.com/technet/windowsserver/sp2/data-sheet.mspx
http://technet2.microsoft.com/WindowsServer/en/library/cda7d603-fdd6-4a48-b045-89adac6e519e1033.mspx?mfr=true

Download x86:
http://www.microsoft.com/downloads/details.aspx?familyid=95ac1610-c232-4644-b828-c55eec605d55&displaylang=en&tm

Download x64:
http://www.microsoft.com/downloads/details.aspx?familyid=08FEC2F5-6E3B-4E0D-9314-646414D0A421&displaylang=en

Windows Server 2003 Service Pack 2 application compatibility:
http://support.microsoft.com/default.aspx?scid=kb;en-us;926031&sd=rss&spid=3198

Windows Server 2003 Service Pack 2 32-bit Support Tools:
http://www.microsoft.com/downloads/info.aspx?na=22&p=24&SrcDisplayLang=en&SrcCategoryId=&SrcFamilyId=&u=%2fdownloads%2fdetails.aspx%3fFamilyID%3d96a35011-fd83-419d-939b-9a772ea2df90%26DisplayLang%3den