Windows Server 2008 Build 6003
To understand Build 6003, it is necessary to look at the version hierarchy of Windows Server 2008:
The version number can be verified by running the winver command in the Run dialog.
Open regedit and navigate to:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion
Look for CurrentBuild and CurrentBuildNumber. For a fully updated Server 2008 SP2, this will read 6003.
The primary technical significance of Build 6003 lies in the Platform Update for Windows Server 2008. windows server 2008 build 6003
Released in late 2009/early 2010, the Platform Update was a significant package that backported modern Windows 7-era technologies to the older Windows Server 2008 kernel. This update was often integrated into new installation media (ISOs) distributed via Microsoft Volume Licensing or MSDN/TechNet.
The Platform Update included:
Systems running Build 6003 generally have the latest feature capabilities backported from Windows 7/Server 2008 R2, making them superior to the standard SP2 (Build 6002) installations for certain development and graphical tasks.
Get-ItemProperty "HKLM:SOFTWARE\Microsoft\Windows NT\CurrentVersion" | Select CurrentBuildNumber