Microsoft sets 2027 cutoff for Windows Server 2016 security fixes
Microsoft has set January 12, 2027, as the final date for security updates to Windows Server 2016 across all editions. The same cutoff ends support for Essentials-specific features such as Remote Web Access. Microsoft is directing administrators to move to Windows Server 2025, whose extended support runs through November 2034.
Windows Server 2016 arrived at Microsoft’s Ignite event in September 2016 and became generally available that October. Mainstream support ended in January 2022, leaving extended coverage until the January 12, 2027 cutoff.
After that date, monthly security patches cease for Datacenter, Essentials, MultiPoint Premium, and Standard. Essentials-only capabilities, including Remote Web Access, also end. Microsoft points administrators to Windows Server 2025, generally available since November 2024, with extended support through November 14, 2034.
The cutoff could affect organizations still relying on Windows Server 2016, especially those with limited IT resources that may postpone migration. Unpatched servers could raise breach and outage risks, while upgrades may consume budgets and staff time. Service providers may see demand for migration help and hosted alternatives. The impact may be uneven: better-resourced groups could transition smoothly, while constrained ones may face harder trade-offs.