Windows Server 2003…
Version of the Windows NT operating system…
Screenshot of Windows Server 2003, showing the Server Manager application which is automatically opened when an administrator logs on…
DeveloperMicrosoft
OS familyWindows Server
Working stateNo longer supported
Source model• Closed-source
• Source-available (through Shared Source Initiative)
Released to
manufacturing
March 28, 20031
General
availability
April 24, 20032
Final releaseService Pack 2 with May 2019 security update (5.2.3790.6787) / May 14, 20193
Marketing targetBusiness and Server
Update methodWindows Update
Supported platformsIA-32, x86-64, Itanium
Kernel typeHybrid (Windows NT kernel)
Default
user interface
Windows shell (Graphical)
LicenseTrialware4 and volume licensing,5 with client access licenses6
Preceded byWindows 2000 Server (1999)
Succeeded byWindows Server 2008 (2008)
Official websiteWindows Server 2003 (archived at Wayback Machine)
Support status…
All editions except Windows Storage Server 2003 and Windows Small Business Server 2003 (including R2):
Mainstream support ended on July 13, 2010.
Extended support ended on July 14, 2015.789

Windows Storage Server 2003 (including R2):
Mainstream support ended on October 11, 2011.
Extended support ended on October 9, 2016.1011

Windows Small Business Server 2003 (including R2):
Mainstream support ended on April 12, 2011.
Extended support ended on April 12, 2016.1213
Exceptions existed until May 2017.
(See § Support lifecycle for details)
…

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Footnotes

  1. “Microsoft Windows Server 2003 Released to Manufacturing”. News Center. Microsoft. March 28, 2003. Archived from the original on January 13, 2015. ↩

  2. “Microsoft Windows Server 2003 Is Available Worldwide Today”. News Center. San Francisco: Microsoft. April 24, 2003. ↩

  3. “Description of the security update for the remote code execution vulnerability in Windows Server 2003 SP2”. Microsoft. May 14, 2019. ↩

  4. “Windows Server 2003 Evaluation Kit”. microsoft.com. Microsoft. 6 November 2003. Archived from the original on 1 January 2005. ↩

  5. “Volume Licensing Programs for Windows Server 2003”. microsoft.com. Microsoft. 15 June 2004. Archived from the original on 13 January 2005. ↩

  6. “Windows Server 2003 Pricing”. microsoft.com. Microsoft. 6 February 2004. Archived from the original on 29 December 2004. ↩

  7. “Windows Server 2003 – Microsoft Lifecycle”. Microsoft Docs. Retrieved November 6, 2021. ↩

  8. “Windows Server 2003 R2 – Microsoft Lifecycle”. Microsoft Docs. Retrieved November 6, 2021. ↩

  9. “Windows Server 2003 end of support”. Microsoft. Retrieved 19 June 2015. ↩

  10. “Windows Storage Server 2003 – Microsoft Lifecycle”. Microsoft Docs. Retrieved November 6, 2021. ↩

  11. “Windows Storage Server 2003 R2 – Microsoft Lifecycle”. Microsoft Docs. Retrieved November 6, 2021. ↩

  12. “Windows Small Business Server 2003 – Microsoft Lifecycle”. Microsoft Docs. Retrieved November 6, 2021. ↩

  13. “Windows Small Business Server 2003 R2 – Microsoft Lifecycle”. Microsoft Learn. Retrieved August 13, 2023. ↩