
Windows Server 2016 security updates end on January 12, 2027
The January 2027 update is the last for every Server 2016 edition; Microsoft urges a move to Server 2025.
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The January 2027 update is the last for every Server 2016 edition; Microsoft urges a move to Server 2025.

Windows Server 2022 left mainstream support on October 13, 2026, with security updates until October 2031.

Microsoft says Windows Server 2022 ends mainstream support on October 13, 2026, entering extended security updates through October 14, 2031.

Microsoft warns Windows Server 2025 memory-management changes crash AWE apps, including SQL Server with Lock Pages in Memory; disable LPIM as workaround.
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