A client app fails to connect to a SQL Server on port 1433.
Example: Query port 80 from source port 53: how to use portqry
: If you prefer a visual interface, download PortQryUI , which includes predefined service sets like "SQL Service" or "Exchange Server" for quick testing. Using the PortQry command-line tool - Windows Server A client app fails to connect to a SQL Server on port 1433
portqry.exe -n 192.168.1.50 -p tcp -e 3389 how to use portqry