HRESULT 0x80042336 (VSS_E_WRITERERROR_PARTIAL

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Description:

The writer experienced a partial failure. Check the component level error state for more information.

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VSS_E_NOT_SUPPORTED	VSS_E_WRITERERROR_INCONSISTENTSNAPSHOT

VSS_E_WRITERERROR_PARTIAL_FAILURE

VSS_E_WRITERERROR_PARTIAL_FAILURE A VSS writer reported that only part of its component set failed. The backup application must inspect writer-component state to decide whether the intended protected data was affected.

What to check

Identify the failing writer and component rather than treating the whole VSS stack as broken.
Determine whether the failed component belongs to the application that the job is intended to protect; a requester can sometimes continue only when the failure is irrelevant to the backup scope.
Inspect application logs for the component-level cause and validate the resulting backup before relying on it for restore.

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