If you don't know your router's IP address you can check the bottom of the router. Use your PC to open your preferred web browser and enter the IP address of your router inside the address bar and hit Enter.
This is usually done by parents to limit their kids' time on the Xbox. You can get the error if you previously blocked the Xbox console from being able to access your network at a router level. Note: When you get to the User Account Control (UAC) prompt, click Yes to grant admin access to the CMD window.
