HRESULT 0x00042309 (VSS_S_ASYNC_PENDING): meaning and diagnosis

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Description:

The async VSS operation is still running. Query status again before using its result.

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CI_S_CATALOG_RESET	VSS_S_ASYNC_FINISHED

VSS_S_ASYNC_PENDING

VSS_S_ASYNC_PENDING is a status, not a failure. It means that the operation represented by an IVssAsync object is still running.

Wait and call IVssAsync::QueryStatus again, or use Wait with an appropriate timeout.
Do not treat the operation result, snapshot identifiers, or writer data as final until the asynchronous operation reports completion.
Keep the IVssAsync object alive until the requester has observed a final status.

This result has the HRESULT value 0x00042309. AllStat records the condition as “The asynchronous operation is pending.”.

Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the vss / async / pending operation.
Reproduce this result with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.

” has changed.