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WU_S_SIH_NOOP
Server-initiated healing required no operation
WU_S_SIH_NOOP is HRESULT 2379777 (0x00245001) from Windows Update. AllStat describes it as “No operation was required by the server-initiated healing server response.” In the Windows Update Agent callback, handler, or server-initiated healing workflow, the value reports a nonfailure state that must not be collapsed into plain S_OK.
The high-level request that returned this result is complete only after the caller validates the represented condition.
What must be true before accepting it
Verify that the response was evaluated against current component state and no repair action is genuinely needed. Without the boundary check, the HRESULT can hide stale output, pending ownership, or omitted work.
Also confirm that returned outputs belong to the current operation generation and were not inherited from an earlier attempt.
Where the status is encountered
- Windows Update Agent callback registration and disconnection; capture the exact API, object, and phase because the same numeric success severity does not define the state by itself.
- Update handler planning and download-size calculation;
- Server-initiated healing evaluation;
Keep this result attached to the operation that returned it. Interpreting it outside that API contract can turn a normal continuation or partial result into an incorrect retry or false completion.
Correct handling and recovery
Record the no-op decision and server response version, then finish without changing the system. Re-evaluate only after state or response changes.
Do not use an unchanged tight retry loop for it; it can duplicate effects or conceal a terminal state.
Practical scenario
A repair response targets a component already healthy at the requested version. The client records no-op and avoids reinstalling it.
Difference from nearby results
A successful repair changes state; this status says the healing workflow completed by determining that nothing should be done.
The neighboring result changes whether output is final, more work remains, or fallback is required.
References
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