Database Notification Monitor failed to execute database maintenance SQL Server command "%1".%12 Possible cause: The SQL ...

%11Database Notification Monitor failed to execute database maintenance SQL Server command "%1".%12

Possible cause: The SQL Server command contains syntax errors.
Solution: Manually execute the command using the Microsoft SQL Server ISQL/w application, and fix any problems you discover. When you are satisfied the command runs successfully in ISQL/w, correct in the Configuration Manager Console.

Possible cause: SQL Server problem.
Solution: 
1. Review the immediately preceding status messages from this component about SQL Server errors.
2. Verify that this computer can reach the SQL Server computer.
3. Verify that SQL Server services are running.
4. Verify that the site can access the site database.
5. Verify that the site database, transaction log, and tempdb are not full.


If the problem persists, check the Smsdbmon.log for SQL Server error logs.%0