Windows Server end-of-life: support & EOL dates for every release
Microsoft · Microsoft · 4 supported · 16 end-of-life · updated June 2026 · what is end-of-life? →
This is when each Windows Server release line stops receiving security updates. 4 release lines are still supported — the next to reach end-of-life is Windows Server 2016 on 12 Jan 2027. Running an end-of-life version means new vulnerabilities stay unpatched.
Windows Server support timeline
Each release line and the date it reaches end-of-life — newest first.
| Release | Latest version | End-of-life | Status |
|---|---|---|---|
| Windows Server 2025 | 10.0.26100 | 10 Oct 2034 · in 100 mo | Supported |
| Windows Server 2022 | 10.0.20348 | 14 Oct 2031 · in 64 mo | Supported |
| Windows Server 2019 | 10.0.17763 | 9 Jan 2029 · in 31 mo | Supported |
| Windows Server 2016 | 10.0.14393 | 12 Jan 2027 · in 7 mo | Supported |
| Windows Server 23h2-ac | 10.0.25398 | 24 Oct 2025 | End of life |
| Windows Server 2012-r2 | 6.3.9600 | 10 Oct 2023 | End of life |
| Windows Server 2012 | 6.2.9200 | 10 Oct 2023 | End of life |
| Windows Server 20h2-sac | 10.0.19042 | 9 Aug 2022 | End of life |
| Windows Server 2004-sac | 10.0.19041 | 14 Dec 2021 | End of life |
| Windows Server 1909-sac | 10.0.18363 | 11 May 2021 | End of life |
| Windows Server 1903-sac | 10.0.18362 | 8 Dec 2020 | End of life |
| Windows Server 1809-sac | 10.0.17763 | 10 Nov 2020 | End of life |
| Windows Server 2008-r2-sp1 | 6.1.7601 | 14 Jan 2020 | End of life |
| Windows Server 2008-sp2 | 6.0.6003 | 14 Jan 2020 | End of life |
| Windows Server 1803-sac | 10.0.17134 | 12 Nov 2019 | End of life |
| Windows Server 1709-sac | 10.0.16299 | 9 Apr 2019 | End of life |
| Windows Server 2003-sp2 | 5.2.3790 | 14 Jul 2015 | End of life |
| Windows Server 2000 | 5.0.2195 | 13 Jul 2010 | End of life |
| Windows Server 2003-sp1 | 5.2.3790 | 14 Apr 2009 | End of life |
| Windows Server 2003 | 5.2.3790 | 10 Apr 2007 | End of life |
Which Windows Server version should I run?
The safest choice is the latest supported release, 10.0.26100. If you're on an end-of-life line, plan an upgrade to a supported one before security updates stop. See Windows Server's full security status →
Get warned before Windows Server reaches end-of-life
End-of-life dates are easy to miss until it's too late. Monitor Windows Server on IsItPatched and we'll email you before the release line you run stops getting security updates — free, no account needed to start.
Windows Server end-of-life — frequently asked
What Windows Server versions are still supported?
As of June 2026, these Windows Server release lines still receive security updates: 2025, 2022, 2019, 2016. The latest supported release is 10.0.26100. Versions older than these (23h2-ac, 2012-r2, 2012, 20h2-sac, 2004-sac, 1909-sac, 1903-sac, 1809-sac, 2008-r2-sp1, 2008-sp2, 1803-sac, 1709-sac, 2003-sp2, 2000, 2003-sp1, 2003) are end-of-life and no longer patched.
When does Windows Server 2016 reach end of life?
Windows Server 2016 reaches end-of-life on 12 Jan 2027 — about 7 months away. After that date it stops receiving security patches.
Is Windows Server end-of-life?
No — Windows Server still has supported release lines (2025, 2022, 2019, 2016). But individual older versions are end-of-life, so what matters is the specific version you run.
How do I know when my Windows Server version reaches end of life?
Check the version you run on its product page, or monitor Windows Server on IsItPatched to get an email alert before the release line you use reaches end-of-life — so you can upgrade in time.
EOL dates aggregated from endoflife.date and vendor sources, and can change — always confirm with Microsoft. See related: Windows Server security status · full EOL calendar · what is end-of-life software? · disclaimer.