Fix: Modern Warfare 2 and Warzone 2 Error Code HUENEME – CONCORD

For Playstation users

To clear the cache on PS4/PS5, turn it OFF and hold the power button for a few seconds until you hear a beep sound. You will see the option of “Rebuild database or Clear Cache and rebuild database“.

Method 3: Check For the Latest Updates

Since many users across different platforms have flagged the issue, developers have noted it and are working towards a fix. So in future, there will be multiple game patch updates that will fix the HUENEME – CONCORD issue. So make sure to keep your game updated to the latest version.

For Steam users

• Launch the Steam app on your PC, then go to “Library“.
• Then Right-Click the game in your library and select for “properties“. Then Select the “Update” option.

• If you want that the game gets automatically updated, select “Always keep this game up to date“, else choose “Only update this game when I launch it” option.

• After that, Steam will begin the update to the latest version.

For Xbox users

Go to the dashboard’s ‘My Games and Apps’ section on Xbox. Navigate to ‘Manage‘ and then select ‘Updates‘. Look here for any potential updates for Modern Warfare 2.

Method 4: Change the region of the account

Sometimes players have their Activision account set to a different place/region than where they reside. To change the location, follow the steps given below:

• To change the location of the Activision account, first log in to your account.
• Then go to the profile option and the “Basic Info” page.

• Then change the address to your country if it was set for different.

Method 5: Disable Teredo

Since the issue of the HUENEME – CONCORD error is directly or indirectly related to internet connection only, disabling Windows default Teredo IPV6 service will help you fix the issue. Many Reddit users across multiple COD versions have confirmed the same.

Potential fix for "Hueneme – Concord" error (PC)
by u/samsterminator in ModernWarfareII

• Open Windows command prompt and run the following commands:

netsh interface teredo set state disabled

netsh interface teredo show state

• Once done, restart your Call of Duty game and see if the issue is fixed.

Conclusion

This brings us to the end of this guide for fixing Modern Warfare 2 and Warzone 2 error code HUENEME – CONCORD. Please note that the issue is caused due to poor or failed internet connection. So make sure to troubleshoot your connection via your internet service provider. If you are still facing the problem, contact the Activision Support team for assistance.