Once you’ve updated your router settings, you can check to see if you have an antivirus that may be blocking the game, and disable it, or make sure your game is on the ‘approved’ list of apps.You can do this via your router’s online account page. It’s also worth ensuring that UPnP (Universal Plug and Play) is enabled on your router.It usually comes in three flavours, and changing it to open will give you the best chance of fixing those communication problems. The first thing to do is change the NAT type on your router.Next, its time to take a long, hard look at your router settings. If these steps haven’t worked, it’s time to break out the big guns. Choose the local files tab, and then click on the Verify Integrity of Game Files tab.

Select your game from the library and click on Properties.If you’re using Steam, you can do the same thing by following these steps:.Choose your game, click the Options menu, and select Scan and Repair.If you’re using the Blizzard launcher, then do the following:

Next, is to see whether any of your game files have become corrupted.

Restart your device and relaunch the game.

Assuming all is well with the servers, the next step is the tried-and-trusted, turn everything off and back on again.

On the flip side, if you are using a VPN, turning it off, and connecting to your local server, may have a similar effect. A VPN can connect you with a different server, that may not be experiencing issues.

If there is a server issue, you might consider trying a VPN, in case the issue is a local server problem.

If there is a server issue, there isn’t a whole bunch you can do about it, other than sit back and wait.

In the very first instance, check the server status for the game.

There are a few steps you can take to fix a transmission error on COD: What is the Call of Duty Transmission Error? How To Fix ‘Disconnected Due To Transmission Error’ in Modern Warfare and Warzone

Modern warfare server status