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COD Modern Warfare 2 Error Hueneme Concord? 7 Quick Fixes

Last night when I turned on my PS5 to play Call of Duty Modern Warfare 2 and upon accessing the campaign mode I was caught up by this error

Networking is Offline [Hueneme Concord]

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Upon looking for an accurate fix for this I came to find out that despite having a wired connection with high-speed fiber internet not only me but others are also facing the connection failed error on PS5

Well! I managed to fix it and mentioned those 7 quick fixes for you in the guide below.

Solution 1: Check the Server Status

Before trying anything, we recommend it to check the server status of Modern Warfare 2.

If the servers are down, then this is the main cause behind COD Modern Warfare 2 Error Hueneme Concord on PS5

To confirm the server status, you can go to support Activision where they update the players about upcoming maintenance or any technical issue on the server.

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If the servers are working fine then follow the next solution.

Solution 2: Restart your Router

The next thing you need to do to get over COD Modern Warfare 2 Networking is Offline on PS5 is to power cycle your router

Restarting your router will allow you to establish a new connection with your ISP without any bugs.

Just follow the steps below:

  1. Turn off your router entirely by taking out the power cable from the power switch
  2. Now leave it for 2 minutes and then plug it back in
  3. And check for your internet connection.

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After checking the internet connection make sure you set the Wi-Fi frequency band to 5GHz and for that continue to the next solution.

Also Read: Error CE-34878-0 COD Modern Warfare 2

Solution 3: Set the Wi-Fi frequency band to 5GHz on PS5

Before trying this solution you need to make sure that your router is a 5GHz one

And if you don’t have one then you need can get one from the Above Solution

So, follow the steps below:

  1. Click Settings > Network > Settings.
  2. Then click Set Up Internet Connection.COD Modern Warfare 2 Connection/Lag Issues On PS5
  3. Select the network you are using and press the Options button on the controller
  4. Select Wi-Fi Frequency Bands and set it to 5GHzCOD Modern Warfare 2 Connection/Lag Issues On PS5

Also Read: Call of Duty MW2 Dev Error 253 on PS5

Solution 4: Restart Your PS5

After restarting the router and changing the settings make sure you restart your console to get over PS5 error Hueneme Concord

Restarting the console will eliminate any temporary error occurring due to the old cache.

So here is how you can restart your PS5:

  1. Turn on the PS5
  2. Press the Playstation button the quick menu will appear Elden Ring Crashing On PS5/PS4? Can't Start Game?
  3. Select the Power option the small menu will appear
  4. Select the “Restart” OptionElden Ring Crashing On PS5/PS4? Can't Start Game?
  5. Your PS5 restarts successfully

Still facing the error then proceed to update your router firmware.

Also Read: COD Modern Warfare 2 mission “Alone” Crashing On PS4/PS5

Solution 5: Change DNS Settings on PS5

There are some faulty DNS servers that may cause the network to go offline.

So, let’s change the DNS Settings:

  1. Click Settings > Network > Settings.
  2. Then click Set Up Internet Connection.
  3. Click on the network you are using.
  4. Now click Advanced Settings > DNS Settings > Manual.
  5. For Primary settings enter and for Secondary to match the Google DNS.
  6. Then click OK to save the changes.
  7. And Reboot your PS5 to check if the error is gone.

Solution 6: Call Your ISP

If changing DNS couldn’t help you solve the Networking is Offline [Hueneme Concord] on PS5 then contact your Internet Service Provider(ISP).

They will access that data that you can’t and will know what’s going wrong with your internet connection.

Moreover, tell your ISP to open the following ports:

  1. TCP: 80, 4433478, 3479
  2. UDP: 3478, 3479, 49152 ~ 65535

And if the situation is worse then they will be sending a professional and make it work for you.

Solution 7: Contact PlayStation Support

If none of the above solutions didn’t work for you then all you can do is visit the PlayStation Official Website and tell them about the COD MW2 Hueneme Concord On PS5 on their support page and they will typically reply to you within 24 hours.

Error CE-34878-0 COD Modern Warfare 2 on PS4/PS5 Crashing

Make sure you tell all the solutions you have applied to your console. This will help the support agent to identify the main reason for this error.

Hope all the above solutions help you to solve the COD Modern Warfare 2 Networking is Offline [Hueneme Concord] on PS5

If still, you have a query feel free to share your experiences and question in the comments section down below.

About the Author

Zul is an avid gamer with a passion for RPG and racing games. He enjoys playing games like Need for Speed and Grand Theft Auto 5 and is also skilled at fixing errors and crashes to enhance the gaming experience. Zul stays up-to-date with the latest gaming news and enjoys sharing his knowledge through writing gaming guides and articles. Follow him on Twitter

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