Modern Warfare 3 Error 2901: Reasons and possible fixes

Modified Jul 28, 2024 15:54 GMT

An Operator in Modern Warfare 3 holding a Sniper Rifle facing the ground — Exploring the possible fixes for the Modern Warfare 3 Error 2901 (Image via Activision)

Modern Warfare 3 Error 2901 has been bugging players recently. It is a network error in the game and the error code usually follows a "Lobby not found" notice. The issue is more relevant amongst Xbox Game Pass players if they are using a shared account. Usually, the error is server-sided and unfortunately, there is little that players can do to resolve the issue on their end if that is the case.

However, in some cases, it can be client-sided, meaning the issue is with the user's system. In that case, users can try a few fixes that can help them navigate around the error.

Hence, in this article, we'll take a closer look at some of the possible fixes for the Modern Warfare 3 Error 2901.

Reasons for the Modern Warfare 3 Error 2901 and how to possibly fix it

Before you begin with the possible fixes for the Modern Warfare 3 Error 2901, it is highly recommended to check out the status of Call of Duty servers first. If they are up and running, and no problems are reported therein, only then proceed with the fixes.

Possible fixes for the Modern Warfare 3 Error 2901 (Image via u/ProfessionalBoot5445 on Reddit, Activision)

The following are some of the possible fixes for the Modern Warfare 3 Error 2901:

Restart your router

When faced with any network-related errors in the game, it is advised to restart the router. A proper reboot will clear the router's cache, potentially eliminating a host of network-related issues including the Modern Warfare 3 Error 2901. A proper reboot involves removing all the power cables from your router for at least 10-20 seconds before plugging them back in. If restarting your router didn't fix the error, check out the next solution.

Also read: Possible fixes for the Modern Warfare 3 Dev Error 5820

Verify game file integrity

Sometimes due to a bad update, your game files might be corrupted. In that case, you won't be able to connect to the game. Even if you do, you will be greeted with a lot of errors. Hence, if you believe your game files are to be blamed, you can run a quick check of your files. Here's how you can do it on Steam, Battle.net, and the Xbox App:

Steam

Launch Steam and go to your game library.
Right-click on Call of Duty and select ‘Properties’.
Select ‘Installed Files’ from the left panel.
Click on the ‘Verify integrity of game files’.

Battle.net

Launch Battle.net and go to the Call of Duty tab.
Select the cog wheel right next to the ‘Play’ button.
Click on ‘Scan and Repair’.
Finally, select ‘Begin Scan’.

Xbox App

Launch the Xbox App.
From your installed games section, find Call of Duty.
Right-click on it and go to 'Manage'.
Select the 'Files' tab from the top right.
Click on the 'Verify and Repair' button.

That's it. Now your client will run a quick check of the game files and if any file is missing or is corrupted, they will be reacquired.

Link your Activision account to the original Xbox Game Pass account

If you are sharing an Xbox Game Pass subscription to play Modern Warfare 3, you will be faced with the error since game sharing isn't allowed. Hence, your best bet is to connect your Activision account to the original Xbox Game Pass account that has an active subscription. If you connect it to the shared account, you will get the Modern Warfare 3 Error 2901 in the game.

That covers all the known possible fixes for the Modern Warfare 3 Error 2901. If the error persists despite implementing the abovementioned fixes, it is advised to contact the Activision Support team for further assistance.

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Edited by Niladri Roy