Windows Server 2019 build 17763.8647 (KB5091573) — release notes, downloads, known issues

Windows Server · 2019 · Release · 2026-04 OOB

Cumulative Update for Windows Server 2019 (1809) (17763.8647)

Windows Server 2019: Extended support

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Coverage Office 2019 for Mac “Perpetual” License Cutoff: Editing Disabled After July 2026 Jun 3, 2026 · Windows Server 2019 coverage from this build's release window

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