SymptomsRestoration of an user's database fails with error:
Error: dbbackup failed: Unable to restore database 'database_name'
Terminating this procedure. The User name 'BUILTIN\Users' is absent or invalid.
ResolutionThe problem is fixed by replacing dbbackup.exe file in %plesk_bin% folder by new version.
It is recommended to keep original copy of the file for backup purposes.