YOU HAVE RESTARTED YOUR SQL SERVER IN SINGLE USER MODE BUT ARE UNA...

14. You have restarted your SQL Server in single user mode but are unable to connect to the SQL Server using the sqlcmd command line utility. The error message that you receive says that only one administrator can connect at this time. What does this error mean?A. The sqlcmd utility cannot be used when the SQL Server is in single user mode.B. Another login that is a member of the sysadmin fixed server role has connected to the SQL Server. Disconnect that login before you can connect.C. The SQL Server is not yet ready for connections. Wait for the SQL Server to complete its startup process before connecting.