Question 1

What happens when Windows Nano Server reaches end of life?

Accepted Answer

When Windows Nano Server reaches end of life, it stops receiving security patches, bug fixes, and new features. Currently, 8 Windows Nano Server versions are already EOL. The latest supported version is Windows Nano Server 2025, maintained until October 10, 2034. Running an EOL version exposes your systems to unpatched security vulnerabilities with no official fix available.

Question 2

Is Windows Nano Server 2025 still supported?

Accepted Answer

Yes. Windows Nano Server 2025 is actively supported until October 10, 2034. It receives security patches and bug fixes. Check the version table above for the full list of supported Windows Nano Server releases and their exact end-of-life dates.

Question 3

Is it safe to use Windows Nano Server after end of life?

Accepted Answer

No. Running Windows Nano Server after EOL is not safe for production systems. Once a version reaches end of life, newly discovered CVEs are published publicly but never patched — leaving your systems permanently exposed. The only safe path is upgrading to an actively supported Windows Nano Server release.

Question 4

How to upgrade from Windows Nano Server 20h2 to Windows Nano Server 2025.x?

Accepted Answer

To upgrade Windows Nano Server from 20h2 to 2025: (1) review the official migration guide for breaking changes, (2) test your application against the new version in a staging environment, (3) update dependencies that have version constraints, (4) run your full test suite, (5) deploy with a rollback plan. The earlier you start, the more time you have to resolve compatibility issues before EOL.

Question 5

When is the next Windows Nano Server LTS version?

Accepted Answer

Windows Nano Server 2025 is the current Long Term Support release, maintained until October 10, 2034. LTS versions are recommended for production deployments that prioritize long-term stability over new features. Plan your upgrades to coincide with LTS releases whenever possible.

Question 6

How long does Windows Nano Server support each version?

Accepted Answer

On average, Windows Nano Server supports each release for approximately 48 months (~4 years). LTS releases like Windows Nano Server 2025 have extended support windows — maintained until October 10, 2034. The exact EOL date for each version is listed in the table above.

Version	Released	Active support	EOL date	Until EOL	Latest	CVEs	Status
2025 LTS	Nov 1, 2024	Oct 9, 2029	Oct 10, 2034	in 3045d	10.0.26100	—	Active
2022 LTS	Aug 18, 2021	Oct 13, 2026	Oct 14, 2031	in 1953d	10.0.20348	—	Active
20h2	Oct 20, 2020	Aug 9, 2022	Aug 9, 2022	1400d ago	10.0.19042	—	EOL
2004	May 27, 2020	Dec 14, 2021	Dec 14, 2021	1638d ago	10.0.19041	—	EOL
1909	Nov 12, 2019	May 11, 2021	May 11, 2021	1855d ago	10.0.18363	—	EOL
1903	May 21, 2019	Dec 8, 2020	Dec 8, 2020	2009d ago	10.0.18362	—	EOL
1809	Nov 13, 2018	Nov 10, 2020	Nov 10, 2020	2037d ago	10.0.17763	—	EOL
2019 LTS	Nov 13, 2018	Jan 9, 2024	Jan 9, 2029	in 945d	10.0.17763	—	Active
1803	Apr 30, 2018	Nov 12, 2019	Nov 12, 2019	2401d ago	10.0.17134	—	EOL
1709	Oct 17, 2017	Apr 9, 2019	Apr 9, 2019	2618d ago	10.0.16299	—	EOL
1607	Oct 15, 2016	Sep 10, 2018	Sep 10, 2018	2829d ago	10.0.14393	—	EOL

Windows Nano Server End of Life Dates

Related technologies

Same category

Frequently Asked Questions