Microsoft SQL Server Error Messages
94 Agent for Microsoft SQL Server Guide
3023
Backup and file manipulation operations on a database must be
serialized.
Reason:
An attempt was made to back up or restore a database while another backup or
restore operation was in progress on that database.
Action:
Close all programs that might be accessing the database, including the SQL
Server Enterprise Manager. Wait for other operations on the database to finish
and retry the operation.
3101
Exclusive access could not be obtained because the database is in use.
Reason:
An attempt was made to restore a database while another program was
accessing that database.
Action:
Close all programs that might be accessing the database, including the SQL
Server Enterprise Manager, and retry the operation.
3108
“RESTORE DATABASE” must be used in single user mode when trying to
restore the master database.
Reason:
An attempt was made to restore the master database without starting the
database server in single-user mode.
Action:
For instructions on starting the database server in single-user mode, see Restore
Master Databases.