How do I verify that the ports are open?

Use the PowerShell Test-NetConnection command to verify that ports are open. This command also supports ping test, TCP test, route tracing, and route selection diagnostics.

To verify that the ports are open, enter the following command:

Test-NetConnection -ComputerName <name> -Port <port> -InformationLevel "Detailed"

For more information, refer to Test-NetConnection.