If a computer is unable to configure a valid Internet Protocol address, it can't connect to a network. If you plug a laptop directly into a modem with an Ethernet cable and receive a "No Valid IP ...
Some Windows users, who use an Ethernet port in multiple computers may receive an IP address conflict Network Error – Another computer on this network has the same ...
CGNAT stops port-forwarding in its tracks, so I built a temporary and free RustDesk relay to give me back remote access.