Windows Server 2003

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Windows Server 2003
Version of Microsoft Windows
WinSRV2003Enterprise RTM Desktop.png
OS familyWindows NT
CodenameWhistler Server
Preliminary nameWindows 2002[1]
Windows .NET Server 2003
Architecturex86, x64, ia64
Latest build5.2.3790
Release date2003-04-24
Support end2015-07-14
Web Server
Standard Server
Datacenter Server
Enterprise Server
Windows 2000 Server
Replaced by
Windows Server 2008

Windows Server 2003 is the server counterpart of Windows XP. It comes in editions like Datacenter, Web Server, Standard, Enterprise and Small Business (the latter is technically a separate version). It replaces Windows 2000 Server and was replaced by Windows Server 2008.


Its internal codenames were either dotNET (.NET) Server (As evidenced in the Windows buildtree, where its source is located at D:\dnsrv) and during the development of Windows XP, it was codenamed Whistler Server.

Release 2

An interim release under the name of Windows Server 2003 R2 was released on 2005-12-06.

Other versions

As well as the standard Windows Server 2003, several other editions were built on the NT 5.2 kernel, including Storage Server 2003 R2 (released 2006-03-05), Compute Cluster Server 2003 (released 2006-06-09), Small Business Server 2003 R2 (released 2006-09-01) and Unified Data Storage Server 2003 (released 2006-12-05).


Pre-Beta 1

Technical Beta 1

Beta 1

Pre-Beta 2

Beta 2

Pre-Beta 3

Beta 3



Pre-RC 2


Post-RC 2


RTM Escrow


Service Pack 1 Beta

Service Pack 1 RC

Service Pack 1

Service Pack 2 Beta

Service Pack 2

R2 Beta


This version is Windows Storage Server 2003 R2.

Compute Cluster Server

  • Beta 2 release of Compute Cluster Server.
  • Compute Cluster Server CTP, released in 2006-02.
  • Compute Cluster Server RTM release.