To see if your system is at build 6003:
As minor revision numbers for Limited Distribution Release (LDR) updates approached their maximum value, Microsoft incremented the major build number from 6002 to 6003 . windows server 2008 build 6003 upd
The update to Build 6003 (SP2) provided several critical infrastructure enhancements: Hardware Compatibility : Added support for VIA 64-bit CPUs and improved power management settings via Group Policy. Storage & Filesystems : Integrated the exFAT file system To see if your system is at build
Moving legacy workloads to Azure sometimes provides additional security breathing room. windows server 2008 build 6003 upd