Error Code 2901 on COD MW2: Best Methods to Fix This Problem

To fix COD: Warzone 2 lobby error 2901, solve the connection issues and repair the game files 🎯


Many gamers are experiencing Call of Duty: Modern Warfare 2 error code 2901 these days. This article has the most appropriate solutions to solve this problem completely.

Warzone 2 is undoubtedly an excellent multiplayer game available on various platforms. This First-Person Shooter game has been entertaining millions of gamers for years. But, some users have been encountering MW2 error code 2901, which is preventing them from playing certain types of matches.

What is error code 2901 on MW2?

COD error code 2901 is a very critical problem that can prevent you from playing multiplayer in this game. It may appear in different situations.

Usually, this error pops up during the game startup or while attempting to find a multiplayer match. When it appears, the game may freeze and stop responding. In this period, you may see a similar message to the following one:

Lobby Not Found – Check the code and try again. Error cause: 10. Error code 2901

This problem can occur due to Warzone 2’s server issues, network driver problems, corrupted game files, etc. Luckily, you can apply some simple tricks to fix this problem.

How do I fix MW2 error code 2901?

We have prepared the best methods that will work on all devices, including PC, Xbox, PlayStation, etc. But, before that, we suggest you do the following things:

  • Check the Activision service status page or the Downdetector to see if it’s a server-related problem or not.
  • Restart your PC or console and power cycle the internet router.
  • Disable your antivirus and firewall.
  • Disable any proxy or VPN and ensure a stable internet connection.

If the problem still exists, you can follow these methods to solve COD error code 2901:

  1. Change DNS
  2. Reset the Network
  3. Run internet troubleshooter
  4. Update COD: MW2
  5. Update network and GPU driver
  6. Repair the game files
  7. Install any pending OS update

1. Change DNS

  1. Press Win + I to launch Windows Settings.
  2. Go to the Network & internet and go to Wi-Fi or Ethernet, depending on which one you are using.going ethernet windows 11 settings
  3. Click on Edit next to the DNS server assignment.clicking edit next to the DNS server assignment Windows 11 settings
  4. Choose Manual.
  5. Enable IPv4.
  6. Set the DNS Preferred DNS as and Alternate DNS as and click on Save.saving dns windows 11 settings
  7. Restart your PC.

Now, launch Warzone 2 and see if it has solved the lobby not found error code 2901 or not.

2. Reset the Network

  1. Open Windows Settings like before.
  2. Go to the Network & Internet and then go to Advanced network settings.going advanced network settings windows 11
  3. Go to the Network Reset.
  4. Click on the Reset button.clicking reset now for network reset windows 11 settings
  5. Restart your PC.

After resetting the network, you may need to configure your connection settings for specific cases. But it’s a very good way to fix error code 2901 on Call of Duty.

3. Run internet troubleshooter

  1. In the Windows Settings, go to System and click on Troubleshoot.going troubleshoot windows 11 settings
  2. Go to Other troubleshooters.
  3. Click on Run next to Internet Connections.running internet connections troubleshooter windows 11
  4. Follow any onscreen steps to complete the troubleshooting process.
  5. Restart your PC.

Now, launch Modern Warfare 2 and see whether the error code 2901 still appears or not.

4. Update COD: MW2

  1. Open Steam or the launcher.
  2. Go to the game library.
  3. Right-click on the Call of Duty: Modern Warfare 2 and go to the Properties.
  4. Go to the Updates tab.
  5. Set the Automatic update to High priority.setting high priority automatic updates for game steam

In your app, you can simply click on the gear icon and then click on Check for updates.

5. Update network and GPU driver

  1. Press Win + X and click on Device Manager.
  2. Expand Display adapters by clicking on the arrow icon next to it.
  3. Right-click on the GPU driver, and choose Update driver.clicking update graphics card driver device manager windows
  4. Click on Search automatically for drivers.
  5. Update the network driver in the same way.
  6. Finish the update process.

To update drivers, we strongly suggest you use PC HelpSoft. This tool can update and install the game-ready drivers, which are extremely helpful in solving various game-related error codes.

⇒ Get PC HelpSoft

Updating the GPU driver is also very helpful in solving Modern Warfare 2 GPU driver version error.

6. Repair the game files

Time needed: 5 minutes

Right now, repairing the game files of COD: Modern Warfare 2 is the best way to fix error code 2901.

  1. Open the Steam or app and go to the game library.

    going steam game library

  2. Right-click on the Call of Duty: Modern Warfare II | Warzone 2.0 and go to its Properties.

    going call of duty mw2 properties steam

  3. Go to the Local files tab and click on Verify Integrity of game files.

    clicking verify integrity of game files steam

If you are not using Steam but the launcher only, click on the gear icon for COD: MW2. Then, click on Scan and Repair and follow any onscreen steps.

This method will also work if the Call of Duty Modern Warfare keeps crashing.

7. Install any pending OS update

  1. In the Windows Settings, go to Windows Update and click on Check for updates.checking for windows update windows 11 settings
  2. Install any available updates.
  3. Restart your PC.

For Xbox or PlayStation consoles, you will also get an option for firmware updates. Just figure it out and complete the update to solve Warzone 2 error 2901.

If the problem still exists, re-install the game. You also can consider resetting your PC or console.

If you are interested, learn about the ways to solve the MW2 Game_ship.exe crash error.

This article has explained methods to fix the MW2 error code 2901. If you have any questions, let us know in the comment box.

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