Windows Server 2003

version of the Windows Server line of server operating systems, based off Windows XP

Windows Server 2003 is a server operating system produced by Microsoft. Introduced on April 24, 2003 as the next version to Windows 2000 Server, it was considered by Microsoft to be the cornerstone of their Windows Server System line of business server products.

Windows Server 2003
Part of the Microsoft Windows family
Initial releaseApril 24, 2003 [info]
Stable release2003 R2 SP2 (5.2.3790.3959) (March 13, 2007) [info]
Source modelShared source
Kernel typeHybrid kernel
Support status
Extended supported until 2015.

According to Microsoft, Windows Server 2003 is more scalable and delivers better performance than Windows 2000.[1]


  1. "Windows Server 2003: Product Overview". Microsoft. February 19, 2007.