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Troubleshooting

1460 - Error: VSS snapshot creation failed (0x80042306; provider veto)
Symptom A backup fails with the error "VSS snapshot creation failed (0x80042306; provider veto)".   Cause The VSS error "provider veto&q...
1457 - How to re-register DLLs to address repeat failures in VSS
If you encounter unusual errors (e.g. "Writer Infrastructure failed" or "Could not determine if VSS snapshots supported") and repeat fai...
1458 - Error: The specified volume is nested too deeply (0x8004232c)
Symptom A backup fails with the error "The specified volume is nested too deeply to participate in the VSS operation. (0x8004232c)".   Cause T...
1507 - Backup failed: Timed out waiting for VSS operation to complete
Symptom A backup fails with the error "Timed out waiting for VSS operation to complete". Backup failed: Timed out waiting for VSS operation to ...
1472 - Could not prepare for snapshot creation ... failed at freeze
Symptom A backup fails with the following error: Could not prepare for snapshot creation (VSS writer in an unexpected state): writer timeout (0x800423f2...
1455 - Error: Could not add volume ... to VSS snapshot
Symptom When a backup is initiated while a second VSS writer is already running, you may encounter the following error: Backup failed to complete: Could ...
1456 - VSS error in the Windows event log: ConvertStringSidToSid
Symptom An error presents that starts with "A VSS error occurred in the Windows event log" and contains the function "ConvertStringSidToSid&...
1581 - InstantData error: "Response status code does not indicate success"
Symptom Attempting to recover with InstantData leads to error "Response status code does not indicate success", as in the example below. Cou...
1617 - RedApp and cloud service errors
This article contains links to articles about common errors that may be useful when troubleshooting our cloud services.   Microsoft 365 Backup fails wit...
1272 - HSM is disabled when a MirrorServer is added as a failback target
Symptom A StorageServer failure (e.g. due to hardware issues) occurs in a paired configuration of mirrored StorageServers such as the following: SS1 (HSM ...