Remote Desktop has a default 3389 port for connections. Error 0x104 can be caused by the Windows firewall blocking port 3389. This is how you can unblock the 3389 port if Windows Defender Firewall is blocking it:
Remote Desktop has a default 3389 port for connections. Error 0x104 can be caused by the Windows firewall blocking port 3389. This is how you can unblock the 3389 port if Windows Defender Firewall is blocking it: