Windows Server End of Life (EOL) Dates & Support Timeline
Complete end-of-life dates, support windows, and security status for all Windows Server versions. Data sourced from endoflife.date and official vendor documentation. Updated at every deploy.
| Version | Latest Release | Release Date | EOL Date | Days | Status |
|---|---|---|---|---|---|
| 2000 LTS | 5.0.2195 | Feb 17, 2000 | Jul 13, 2010 | 5844 days past EOL | EOL |
| 2003 LTS | 5.2.3790 | Apr 24, 2003 | Apr 10, 2007 | 7034 days past EOL | EOL |
| 2003-sp1 | 5.2.3790 | Mar 30, 2005 | Apr 14, 2009 | 6299 days past EOL | EOL |
| 2003-sp2 LTS | 5.2.3790 | Mar 13, 2007 | Jul 14, 2015 | 4017 days past EOL | EOL |
| 2008-sp2 LTS | 6.0.6003 | Apr 29, 2009 | Jan 14, 2020 | 2372 days past EOL | EOL |
| 2008-r2-sp1 LTS | 6.1.7601 | Feb 22, 2011 | Jan 14, 2020 | 2372 days past EOL | EOL |
| 2012 LTS | 6.2.9200 | Oct 30, 2012 | Oct 10, 2023 | 1007 days past EOL | EOL |
| 2012-r2 LTS | 6.3.9600 | Nov 25, 2013 | Oct 10, 2023 | 1007 days past EOL | EOL |
| 2016 LTS | 10.0.14393 | Oct 15, 2016 | Jan 12, 2027 | 183 days remaining | Active |
| 1709-sac | 10.0.16299 | Oct 17, 2017 | Apr 9, 2019 | 2652 days past EOL | EOL |
| 1803-sac | 10.0.17134 | Apr 30, 2018 | Nov 12, 2019 | 2435 days past EOL | EOL |
| 2019 LTS | 10.0.17763 | Nov 13, 2018 | Jan 9, 2029 | 911 days remaining | Active |
| 1809-sac | 10.0.17763 | Nov 13, 2018 | Nov 10, 2020 | 2071 days past EOL | EOL |
| 1903-sac | 10.0.18362 | May 21, 2019 | Dec 8, 2020 | 2043 days past EOL | EOL |
| 1909-sac | 10.0.18363 | Nov 12, 2019 | May 11, 2021 | 1889 days past EOL | EOL |
| 2004-sac | 10.0.19041 | May 27, 2020 | Dec 14, 2021 | 1672 days past EOL | EOL |
| 20h2-sac | 10.0.19042 | Oct 20, 2020 | Aug 9, 2022 | 1434 days past EOL | EOL |
| 2022 LTS | 10.0.20348 | Aug 18, 2021 | Oct 14, 2031 | 1919 days remaining | Active |
| 23h2-ac | 10.0.25398 | Oct 24, 2023 | Oct 24, 2025 | 262 days past EOL | EOL |
| 2025 LTS | 10.0.26100 | Nov 1, 2024 | Oct 10, 2034 | 3011 days remaining | Active |
What does Windows Server end of life mean for your organization?
When a version of Windows Server reaches end of life, the maintainers stop issuing security patches. Vulnerabilities discovered after this date are publicly disclosed on the National Vulnerability Database, exploit code appears on GitHub, and your systems remain permanently exposed.
The CVE blind spot: Most vulnerability scanners check for known CVEs but do not flag the accumulation of unpatched vulnerabilities in EOL software. With a zero-day, nobody knows about the vulnerability. With EOL software, the vulnerability is public — listed, rated, and often weaponized — but no patch will ever exist. This is the most dangerous gap in enterprise security posture.
Organizations running EOL Windows Server should treat it as a vulnerability class in their risk register, apply compensating controls (network segmentation, enhanced monitoring, access restriction), and prioritize migration to a supported version.
Extended Support Options
If you cannot migrate immediately, extended support vendors provide continued security patches for EOL Windows Server versions. This is a bridge, not a permanent solution — plan your migration in parallel.
Windows Server has 16 versions past end of life — security patches have stopped, but CVE disclosures haven't. Tell us what you run and we'll match you with a vetted extended-support provider within 1 business day. Free, no obligation.
Get My Support Options →