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VSS_E_PROVIDER_NOT_REGISTERED
VSS_E_PROVIDER_NOT_REGISTERED means that the provider GUID supplied to VSS does not identify a registered shadow copy provider. The requester cannot ask that provider to create or manage a snapshot.
How to investigate for VSS_E_PROVIDER_NOT_REGISTERED
- List registered providers and verify the selected provider GUID and installation state.
- Check whether a storage-vendor provider was removed, disabled, or replaced after the requester configuration was created.
- Use the default provider only when its capabilities match the requested volume and snapshot context.
Microsoft: AddToSnapshotSet return values
Diagnostic interpretation
This result has the HRESULT value 0x80042304. AllStat records the condition as “The volume shadow copy provider is not registered in the system.”.
Evidence to capture
- Capture any IErrorInfo text, activity identifier, event-log entry, and subsystem trace that mentions this result or the vss / provider / registered operation.
- Preserve the first failure in the call chain; a later HRESULT can describe cleanup rather than the original vss / provider / registered condition.
Retry and recovery
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