Restore/SureBackup from old DC restore point fails due to shadow copy expiration

Challenge DC restore results in DSRM boot and event id 1918 from ActiveDirectoryDomainService stating: The shadow copy service cannot restore Active Directory Domain Services because the shadow copy used is too old. Copy Cause The backup of the DC is older than the tombstone period. Active...

SureBackup roles

What do Sure Backup roles mean and what are the differences among them...