Microsoft released SP2 for Windows Server 2003 today.
Microsoft Windows Server 2003 Service Pack 2 (SP2) is a cumulative service pack that includes the latest updates and provides enhancements to security and stability. In addition, it adds new features and updates to existing Windows Server 2003 features and utilities. The SP2 update can be applied to all Windows Server 2003/Windows XP Professional x64 Edition products.
The SP2 file can be downloaded at http://www.microsoft.com/technet/windowsserver/sp2.mspx
Release Notes for Microsoft Windows Server 2003 Service Pack 2 can be found .