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VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED
VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED means that the target volume or remote file share is already associated with the maximum number of shadow copy sets accepted by the provider. VSS did not add it to the requested set.
How to investigate for VSS_E_MAXIMUM_NUMBER_OF_SNAPSHOTS_REACHED
- List existing shadow copies and identify retention policies or abandoned snapshots.
- Check available diff-area capacity and the provider-specific shadow-copy limit.
- Delete or expire only snapshots that are no longer required by backups, restores, or Previous Versions.
Microsoft: maximum snapshot return value
Diagnostic interpretation
This result has the HRESULT value 0x80042317. AllStat records the condition as “The specified volume has already reached its maximum number of shadow copies.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the vss / maximum / number / of / snapshots operation.
- Reproduce this result with the smallest valid input and note whether the result changes with identity, architecture, service state, or target object.
Retry and recovery
” has changed.
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