
[CIAD-2026-0042] A End of Mainstream for Windows Server 2022
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A End of Mainstream for Windows Server 2022
Indian – Computer Emergency Response Team (https://www.cert-in.org.in)
Software Affected
Windows Server 2022
Description
Microsoft has announced that Windows Server 2022 is approaching the end of its mainstream support lifecycle. On October 13, 2026, Windows Server 2022 will reach the end of mainstream support. The October 2026 security update will be the last mainstream support update available for this version.
Upon reaching the end of mainstream support, Windows Server 2022 will transition to extended support. This transition includes security updates at no additional cost, and the system will continue to receive monthly security updates through October 14, 2031.
To ensure environments remain fully supported under mainstream support, Microsoft recommends planning an upgrade to Windows Server 2025, which is the latest Long-Term Servicing Channel (LTSC) release.
Vendor Information
Microsoft
http://learn.microsoft.com/en-us/windows/release-health/windows-message-center#4933
https://learn.microsoft.com/en-us/lifecycle/products/windows-server-2022
References
Microsoft
http://learn.microsoft.com/en-us/windows/release-health/windows-message-center#4933
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Thanks and Regards,
CERT-In
Incident Response Help Desk
e-mail: incident@cert-in.org.in
Phone: +91-11-22902657
Toll Free Number: 1800-11-4949
Toll Free Fax : 1800-11-6969
Web: http://www.cert-in.org.in
PGP Fingerprint: A768 083E 4475 5725 B81A A379 2156 C0C0 B620 D0B4
PGP Key information:
https://www.cert-in.org.in/s2cMainServlet?pageid=CONTACTUS
Postal address:
Indian Computer Emergency Response Team (CERT-In)
Ministry of Electronics and Information Technology
Government of India
Electronics Niketan
6, C.G.O. Complex
New Delhi-110 003
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