Windows Server 2008 Build 6003 Patched

This build number generally appears after installing the or later. Microsoft bumped the build number to 6003 to differentiate systems that had been fully patched with the latest "quality improvements" from older SP2 installations.

Or so everyone thought.

Crucially, CSDVersion remains Service Pack 2 , preventing applications that check for SP3 from failing. windows server 2008 build 6003 patched