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WU_S_REBOOT_REQUIRED
WU_S_REBOOT_REQUIRED is a success status indicating that an update has reached the point where a system restart is required to complete installation. It does not by itself mean that the update failed.
What to check for WU_S_REBOOT_REQUIRED
- Schedule a restart and verify the update state after Windows starts again.
- Avoid starting another conflicting installation while a mandatory restart is pending.
- For managed deployments, distinguish a reboot-required result from an installation error in reporting.
Microsoft: Windows Update error reference
Diagnostic interpretation
This result has the HRESULT value 0x00240005. AllStat records the condition as “The system must be restarted to complete installation of the update.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the wu / reboot / required operation.
- Preserve the first failure in the call chain; a later HRESULT can describe cleanup rather than the original wu / reboot / required condition.
Retry and recovery
” has changed.
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