For PC players, updating the DNS server to access the Call of Duty servers provides the ability to play Warzone. To do this, search ‘View Network Connections’ in the search bar. Right click on the connection you’re using and select ‘Properties.’. Click on the ‘Networking’ tab and click on the ‘Internet Protocol Version 4 (TCP
On your console or PC, open a web browsing session. In the address bar, paste your router’s IP address. Hit go, and you’ll see your router’s settings menu. In here, find the port forwarding section. Your router will ask for a few details to forward the ports for Call of Duty: Modern Warfare 3. So paste your router’s IP address into the ugghcs.