For a cluster, you can use certificate authentication only.
Fixed the issue where restoring a large number of files from Synology C2 Backup might result in an incomplete restoration. If you meet the problem Windows backup failed to create the shadow copy on the storage location, you may search for it online to look for the solutions to 0x80780119 Windows 10/8/7. Hyper backup failed to access the backup destination Make sure that, for all volumes to be backup up, the minimum required disk space for shadow copy creation is available.
