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Microsoft confirmed that Windows Server 2016, originally released in October 2016, will receive its final security update in January 2027, after which no further patches will be issued. The cutoff applies to all editions, including Datacenter, Essentials, MultiPoint Premium and Standard, and will also end support for Essentials-specific features like Remote Web Access.
Microsoft has told IT administrators that security certificates used by Windows Update services will expire on preset dates, and devices that don't install specific updates beforehand will lose access to future updates. Windows 11 24H2 and Windows Server 2025 certificates expire June 19, 2027, requiring the September 2025 update or later; other supported Windows 11, Windows 10, and Windows Server 2022 versions share that expiration but need the July 2026 update. LTSB/LTSC releases of Windows 10 Enterprise 2019 and Windows Server 2016/2019 face an earlier May 17, 2027 cutoff.
Microsoft has released fixes for a bug that silently broke copy-and-paste, autofill, and formula dragging in Excel after installing this month's security updates, including KB5002914. Users of Excel 2016, Office LTSC 2019, 2021, and 2024 must manually install specific updates to resolve the issue, which had been widely reported on Reddit and Microsoft's Q&A forums.
Users of multiple Excel versions, from Office 2016 through 2024 including LTSC 2021, report that this week's KB5002914 security update, part of Microsoft's September 2026 Patch Tuesday, disables copy-paste and formula-dragging functions. Complaints surfaced on Reddit and Microsoft's Q&A forums, with some teams reporting workflow disruptions after widespread installation of the patch. BleepingComputer could not reproduce the bug on a tested Excel 2019 build, suggesting the issue may not affect all configurations equally.