Modern Warfare 2 error code 2004 - how to fix lobby not found error

Modern Warfare 2 error code 2004 - How to fix the matchmaking lobby error | A group of soldiers
Credit: Activision

If you are hit by the Modern Warfare 2 error code 2004, aka the matchmaking lobby error, then we have some tips for you.

Call of Duty: Modern Warfare 2 is one of the best FPS games out there. However, it has been plagued with various problems since its release. Among the most frustrating ones are the voice service unavailable issue, the Puget Altus error, and of course, the error code 2004.

So, if you are having trouble getting into a multiplayer match on MW 2, here are some solutions that can help you get things back to normal. Let's get right into it!

How to fix Modern Warfare 2 error code 2004

When you are hit by Modern Warfare 2 error code 2004, first go to Activision's server status page to see if the server is down or experiencing some issues. If it turns out the servers are offline, you can wait until it’s back up and running.

Otherwise, the issue is probably with your internet connection, and here is how you can fix Modern Warfare 2 error code 2004:

  • Reset your network devices to make sure your router hasn't become flooded with data.
  • Release and renew your IP and flush your DNS to resolve any network conflicts. You can find the instructions here.
  • Allow Modern Warfare 2 through your firewall, in case it is preventing the game from connecting to the game servers.
  • Try a different network to connect to the Internet; maybe your mobile hotspot.

Hopefully, one of our suggestions will fix Modern Warfare 2 error code 2004 for you. If not, it is probably a server issue and you have to wait until Activision resolves the ongoing issue.

What is Modern Warfare 2 error code 2004?

Modern Warfare 2 error code 2004 is similar to the Darktide error code 9999. The pesky error code 2004 pops up when players try to join an online match. The error is accompanied by a message that reads:

A matchmaking lobby error has occurred; please retry the operation. Error cause: 10. Error Code: 2004.

This means that some connectivity issues occurred, and as a result, you weren't unable to get into the match online. Modern Warfare 2 servers being down or overloaded with players, or a network issue on your end are the main reasons for the error code 2004.

In case the problem is on your end, the suggestions we outlined here should fix Modern Warfare 2 error code 2004 and you will be back in the game in no time.

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