Microsoft Windows Server 2003 End of Life
Support dates and upgrade guidance — rebuilt from live data.
Microsoft Windows Server 2003 reached end of life on 10 Apr 2007. It no longer receives security fixes.
Support timeline
Official dates from the Microsoft Windows Server release process.
| Milestone | Date | Status |
|---|---|---|
| Initial release | 24 Apr 2003 | — |
| End of life | 10 Apr 2007 | 19.3 years ago |
| Latest release | 5.2.3790 | final |
Where to go from 2003
Recommended target: Microsoft Windows Server 2025 (supported until 14 Nov 2034).
The newest actively supported branch is Microsoft Windows Server 2025 (latest release 10.0.26100).
Frequently asked questions
Is Microsoft Windows Server 2003 still safe to use?
Microsoft Windows Server 2003 reached end of life on 10 Apr 2007, 7,061 days ago, and is no longer covered by standard support. Running it means no guaranteed security fixes.
Can I still download Microsoft Windows Server 2003?
Yes — the final release (5.2.3790) generally remains available from vendor archives and OS package mirrors, but installing it means running software with known, unpatched vulnerabilities.
What should I upgrade Microsoft Windows Server 2003 to?
Upgrade to Microsoft Windows Server 2025, the newest actively supported branch (supported until 14 Nov 2034).