To test if ports on server machine are open:
- Open Windows PowerShell (Click Start, type PowerShell, and then click 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
![](https://support.buildsoft.eu/wp-content/uploads/2022/06/gateway_powershell_portcheck.png)