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Troubleshooting
Symptom A StorageServer failure (e.g. due to hardware issues) occurs in a paired configuration of mirrored StorageServers such as the following: SS1 (HSM ...
OneDrive Storage Metrics is a way for Microsoft 365 admins to see the cumulative size of all versions of a file. Because certain types of files are often ve...
This article contains links to articles about common errors that may be useful when troubleshooting our cloud services. Microsoft 365 1408 - M365 back...
Symptom An error presents that starts with "A VSS error occurred in the Windows event log" and contains the function "ConvertStringSidToSid&...
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 ...
Symptom A backup fails with the following error: Could not prepare for snapshot creation (VSS writer in an unexpected state):
writer timeout (0x800423f2...
Symptom A backup fails with the error "Timed out waiting for VSS operation to complete". Backup failed: Timed out waiting for VSS operation to ...
Symptom A backup fails with the error "The specified volume is nested too deeply to participate in the VSS operation. (0x8004232c)". Cause T...
If you encounter unusual errors (e.g. "Writer Infrastructure failed" or "Could not determine if VSS snapshots supported") and repeat fai...
Symptom A backup fails with the error "VSS snapshot creation failed (0x80042306; provider veto)". Cause The VSS error "provider veto&q...