Halo Infinite is the all-new multiplayer FPS video game by 343 Industries and Xbox Game Studios that’s the 6th main title in the Halo series. Although the game is doing really well with the graphics, gameplay, features, and more, it looks like that some Halo Infinite players are facing the “All fireteam members are not on the same version” Issue quite often after receiving a recent patch update. Multiple reports are claiming that the recent update is the culprit.
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Now, talking about the particular issue, as the Halo Infinite is a multiplayer video game, whenever a group of players is trying to get into the multiplayer match as a squad their game version should be running at the same latest version whatsoever. As the error message suggests, all the fireteam members are not on the same latest version. That means one or more players in the same squad may not have the latest version of the game installed on the PC.

Fix: Halo Infinite “All fireteam members are not on the same version” Issue
While you can still play solo with the older version of the game, if you’re setting up a fireteam then you need to be on the same game version with others too. One player having an outdated or mismatched game version can cause such issues whatsoever. It’s quite unfortunate that the issue is caused by a bug whenever players are trying to update the Halo Infinite game via the Xbox app on the PC.
Luckily, we’ve provided with you a couple of possible workarounds that should gonna help you out. However, if the issue persists, you can contact 343 Industries for the appropriate support. So, without further ado, let’s get into the guide below.