How to check if port is open To if ports on server machine are open Open Windows PowerShell Typ tnc {ip_server} -Port {port_number} Fix the failed checks by opening the ports Example 501 & 502 is open, 500 is not Was this article helpful? Yes No Related Articles How to find the IP address of a computer How to use Codemeter dongle as local license dongle How to use Codemeter dongle as network license dongle