Quick solutions.

Updated on July 3, 10:17 a.m. (GMT+8):Added relevant guides.

The “Join failed because you are on a different version” error has plaguedModern Warfare 3, restricting players from entering a match.

It usually happens when there is a big update or a sync problem between the game server and the client.

Operators fighting in Capture the Flag game mode of Modern Warfare 3

In this ONE Esports guide, we provide you with effective solutions to this issue in Modern Warfare 3.

Fixes for the ‘Join failed because you are on a different version’ error in MW3

The error may occur when attempting to connect to an online server or a friend’s server within the game.

Multiple factors can lead to encountering the “Join failed because you are on a different version” problem. Below are some potential causes:

Jade Blade operator in ONE Esports' image for the article on how to redeem Call of Duty code in Modern Warfare 3 and Warzone

Now, here are some fixes you can apply to solve the error:

You can follow theCall of Duty Updatespage on X for recent news on fixes and patches. This can help you get an idea about solutions done by the Activision team for any errors in Modern Warfare 3.

Operator Riptide sliding while in a battle in ONE Esports' image for how to slide cancel in Modern Warfare 3 and Warzone

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Credit: Activision, ONE Esports

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