
The Modern Warfare 2 Connection Failed Error appears when you are trying to play the game, but it shows “Network is Offline”. This error is also called a “Hueneme Concord Error”. So, I will provide you with the solutions to fix this error.
Call of Duty: Modern Warfare II is a 2022 first-person shooter game developed by Infinity Ward and published by Activision.
Solutions:
Before moving on to the solution, I want to tell you that I am providing general solutions that work on all devices like PS5, PS4, or PC. But in this article, I will use the word PS Console for all devices.
Following are the few solutions for Modern Warfare 2 Connection Failed Error:
Solution 01: Restart your PlayStation Console:
Sometimes, this PS5 error appears because of some issue or glitch that gets solved by restarting your PS5 console. So, restart your PS5 console and start Modern Warfare 2 again, it will solve your problem. But, if the problem is not solved, then follow Solution 2.
Solution 2: Restart your Router:
Sometimes, connection failure errors are caused by poor internet or because of some glitch in your Router. So, plug out your Router and Leave it for 2 or 3 minutes. After 2 to 3 minutes, plug in your Router again. This will Restart the Router and you will be able to play Modern Warfare 2 without getting any errors. But, if you are still getting the “Connection Failed” error then follow Solution 3.
Solution 03: Change your Primary and Secondary DNS
Changing the Primary and Secondary DNS to Manual will fix this problem. To do so, follow these steps:
01: Go to Settings.
02: Open Network and select Settings.
03: Click on Set Up Internet Connection.
04: Click on the Connected Network and select Advanced Settings.

05: Scroll down and change the DNS Settings to Manual from Automatic.
06: Set the Primary DNS to 1.1.1.1 and Secondary DNS to 1.0.0.1 OR Primary DNS to 8.8.8.8 and Secondary DNS to 8.8.4.4.

Changing the DNS will fix this issue.
Conclusion:
I have provided 3 easy solutions to fix Modern Warfare 2 Connection Failed error. Follow the given methods to solve the problem. Hope so your problem will be solved.
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