Identifying the Microsoft SQL Server Listen Port 
           Microsoft SQL Server 2000 and earlier 
      -  Log in to your Microsoft SQL Server database server.
       
-  Launch the Network Utility (Start menu >> Programs >> Microsoft SQL Server).
           
-  Highlight the TCP icon associated with your instance name.
           
-  Click Properties.
 
        
           Microsoft SQL Server 2005 and later 
      -  Log in to your Microsoft SQL Server database server.
       
-  Launch the Configuration Manager (Start menu >> Programs >> Microsoft SQL Server).
           
-  Highlight your Microsoft SQL Server instance name.
           
-  Click the TCP/IP icon associated with the instance name.
           
-  Click the IP addresses tab on the dialog that appears.