kb5082063

About this tag
KB5082063 is the April 2026 cumulative update for Windows Server 2025 and some Windows editions. It requires careful installation because it ships as multiple MSU files that must be applied in order, either together via DISM or individually. The update resolves a previous issue where routine updates mistakenly pushed systems toward Windows Server 2025. However, KB5082063 introduces new problems: a domain-controller crash tied to LSASS startup and installation failures with error 0x800F0983 on some Windows Server 2025 systems. Microsoft has acknowledged these issues but has not yet provided a fix. AI component updates in this release apply only to Copilot+ PCs.

  1. KB5082063 April 2026 Update: Install MSUs in Order (DISM) & Copilot+ AI Scope

    Microsoft’s April 2026 Windows servicing cycle is drawing attention for a very specific reason: KB5082063 is not a simple one-file patch, but a package set that must be installed in the right order. Microsoft’s own instructions say the update is available as standalone MSU files from the...
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    • copilot+ pcs dism servicing kb5082063 windows update
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  2. Windows Server 2025 Update Confusion Resolved—But KB5082063 Brings LSASS Risk

    Microsoft has finally put a formal “resolved” stamp on one of the most awkward Windows Server mishaps in recent memory: the surprise path that pushed some systems toward Windows Server 2025 when administrators expected only a routine update. The issue was acknowledged long ago as mitigated, but...
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    • domain controller kb5082063 release health windows server 2025
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  3. KB5082063 Fails to Install on Windows Server 2025: 0x800F0983 Known Issue

    Microsoft’s April 2026 cumulative update for Windows Server 2025, KB5082063, is now facing installation failures on a subset of systems, adding another patch-cycle headache for administrators already balancing security, uptime, and change control. Microsoft has acknowledged the issue and says it...
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    • kb5082063 update failures windows server 2025 windows update
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    • Forum: Windows News