When is Windows Server 23H2 AC end of life?

Windows Server 23H2 AC reached end of life on May 12, 2026. It gets no more updates, including security fixes.

What is the latest version of Windows Server 23H2 AC?

The latest Windows Server 23H2 AC release is 10.0.25398.

When was Windows Server 23H2 AC released?

Windows Server 23H2 AC was released on Oct 24, 2023.

How do I check which Windows Server version I have?

Run winver, then paste the result into the “Am I up to date?” box on this page.

Windows Server 23H2 AC

End of life

10.0.25398 Release notes ↗

Is Windows Server 23H2 AC still supported?

Windows Server 23H2 AC reached end of life on May 12, 2026 (5 months ago). It no longer gets updates, including security fixes. Upgrade to Windows Server 2025 (LTSC) (latest 10.0.26100), supported until Nov 14, 2034.

Released: Oct 24, 2023
End of life: May 12, 2026
5 months ago
Latest version: 10.0.25398

Upgrade path

The recommended upgrade is Windows Server 2025 (LTSC), currently at 10.0.26100 and supported until Nov 14, 2034.

How to upgrade from Windows Server 23H2 AC to Windows Server 2025 (LTSC)

Monthly updates

sconfig

Choose option 6 (Install updates), or use Settings → Windows Update on Desktop Experience.

New version

Run setup.exe from the new version's media and choose "Keep files, settings and apps". In-place upgrades can skip at most a few versions, so check Microsoft's upgrade paths first.

Official upgrade guide ↗ Back up first, and test on a non-production machine when you move to a new branch.

Quick answers

Is Windows Server 23H2 AC still supported?: No. Windows Server 23H2 AC reached end of life on May 12, 2026 (5 months ago). It no longer gets updates, including security fixes. Upgrade to Windows Server 2025 (LTSC) (latest 10.0.26100), supported until Nov 14, 2034.
When is Windows Server 23H2 AC end of life?: Windows Server 23H2 AC reached end of life on May 12, 2026. It gets no more updates, including security fixes.
What is the latest version of Windows Server 23H2 AC?: The latest Windows Server 23H2 AC release is 10.0.25398.
When was Windows Server 23H2 AC released?: Windows Server 23H2 AC was released on Oct 24, 2023.
What should I upgrade Windows Server 23H2 AC to?: The recommended upgrade is Windows Server 2025 (LTSC), currently at 10.0.26100 and supported until Nov 14, 2034.
How do I check which Windows Server version I have?: Run winver, then paste the result into the “Am I up to date?” box on this page.

Other Windows Server branches

All 20 →

Windows Server 2025 (LTSC) Active Support
Windows Server 23H2 AC End of life
Windows Server 2022 (LTSC) Active Support
Windows Server 20H2 SAC End of life
Windows Server 2004 SAC End of life
Windows Server 1909 SAC End of life
Windows Server 1903 SAC End of life
Windows Server 1809 SAC End of life
Windows Server 2019 (LTSC) Security Support
Windows Server 1803 SAC End of life
Windows Server 1709 SAC End of life
Windows Server 2016 (LTSC) Security Support
Windows Server 2012 R2 (LTSC) End of life

Windows Server 23h2-ac release history

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