This component failed to retrieve the list of SMS sites from the site database.%12 Possible cause: SQL Server problem. Solution: ...

%11This component failed to retrieve the list of SMS sites from the site database.%12

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 SMS can access the SMS site database.
5. Verify that the SMS site database, transaction log, and tempdb are not full.
6. Verify that there are at least 50 SQL Server user connections, plus 5 for each SMS Administrator console.

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