How to Fix The Hueneme Concord: Networking is Offline Error in Modern Warfare 2 and Warzone 2
The Hueneme Concord Error shows up in both Warzone 2 and Modern Warfare 2 when you have issues connecting to the game. The error can show up either when the servers are acting up or when your internet connectivity has problems. If you see the error code pop up in either of the games, there are some fixes you can try but you should always check Activision’s page to see if there are any ongoing server-end issues. Here’s how you can fix the Hueneme Concord error in Modern Warfare 2 and Warzone 2.
Hueneme Concord: Networking is Offline Error in Modern Warfare 2 and Warzone 2: Possible Fixes
Here are some solutions that you can try if you are facing issues connecting to the game and are getting the Hueneme Concord: Networking is Offline error.
Check for Updates
Exit the game and relaunch the game which should automatically download any pending updates.
If you end up on the Download Failed screen, click on Go Offline.
Wait a few moments and click on Go Online again.
If you still do not get access to the update, close the game and launch Battle.Net/Steam or head to the PlayStation/Xbox store to check for updates
Clean Temporary Internet Files (PC Only)
Press the Windows Key
Type “Command Prompt” and hover on the first app result
Click on Run As Administrator
If asked whether to allow Command Prompt to make changes to your computer, select Yes.
You should now get a new window with a black screen.
Type "ipconfig /flushdns" and press Enter.
Type "ipconfig /registerdns" and press Enter.
Type "ipconfig /release" and press Enter.
Type "ipconfig /renew" and press Enter.
Type "netsh winsock reset" and press Enter.
Restart your computer.
If you are a console gamer, restart your console and router and turn them back on after a couple of minutes.
You should consider changing your DNS on your router, console or PC if the issue persists. Login to your router and head to the setup page. Leave all existing settings intact and change your primary and secondary DNS to any of the following:
There is also an app you can install by Cloudflare that can toggle OpenDNS on or off. Head to and download the app for Windows. Once installed, toggle it on and try playing Modern Warfare 2 and Warzone 2. This should resolve your issue in most cases and you will not get the Hueneme Concord: Networking is Offline Error in Warzone 2 and Modern Warfare 2.
If none of these solutions work it is possible that you have issues with your router or your internet connection is facing backend issues. You should contact your internet service provider and seek assistance. A lot of the time, there are issues at the (internet service provider’s) ISP’s end, and explaining the issue to them should help resolve the issue.