Backup and restore

agent-to-server connectivity, service start-up, and OS-specific quirks. Backups and restore jobs.

Proxmox VE backup in Comet Backup ends with a warning: "no block device "drive-scsi0" found in query-block"
High memory usage in Comet Backup during backups in Voyager 26.8.4
Job log reports the error: Couldn't decrypt Vault contents
Error during retention pass or backup: Optimizing snapshot 'xxxxxxxx': Failed to locate N blob(s) required for <snapshot/xxxxxxxx>, unrestorable
Comet Backup Linux Disk Image Backup Snapshot Driver Rejects Kernel ≥ 6.18
How to restore data or view contents from a deleted Protected Item or device in Comet Backup
Disk Image backup error in Comet Backup: "Disk '[GUID]' selected, but does not exist on the local system"
VSS Error during a backup in Comet Backup: Another shadow copy creation is already in progress. Wait a few moments and try again.
Comet Backup agent fails to back up the home directories (/var/directory) of the system user on Linux
Backup, reindex and deep scan jobs consistently fail with in Comet Backup during the retention pass: unexpected EOF
Error during backup or retention pass: "Out of memory error encountered. Temporary files are being used to reduce RAM consumption."
Backup job in Comet Backup completes with a warning or error status which contains "not present in any index" in the Job Log Report.
Backup is failing with elevator service is missing error in Comet Backup
Comet backup fails: Failed to check for config file: x509: certificate is not valid for host
Backup or reindex job fails in Comet Backup: zero-byte pack file
Error in Comet Backup: Couldn't take snapshot (VSS Warning: An imminent failure indicates either bad privileges or WOW64.)
Backup to FTP Storage Vault fails: "Can't access Storage Vault: Failed to check for config file: relative path config not allowed"
Hypervisor VM fails to back up with warning: not present in any index - Disk '...' was captured by RCT but is not present in the backup checkpoint
Warning in backup job: Node '{filename}' collision at position x
Backup job fails with the error in Comet Backup: Cannot proceed - another task needs to finish using the Storage Vault first - Locked by device
Microsoft 365 backup fails with error: Access to this site has been blocked. StatusCode: 423
How to restore data from a Comet backup on another device?