How to fix error code 2901 in MW2 and Warzone 2.0

By Joseph Yaden March 23, 2023

Although Call of Duty: Modern Warfare 2 and Call of Duty: Warzone 2.0 have improved significantly since launch, both games are still packed with issues. Some are minor, while others are more complex, with everything in between. One recent issue is error code 2901, which has prevented users from actually getting into both games. In this guide, we’ll show you how to fix this pesky error code so you can dive into Modern Warfare 2 and Warzone 2.0.

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How to fix error code 2901

Error code 2901 essentially prevents you from connecting to the Call of Duty servers. This disallows you from getting into the game and has caused lots of issues recently. This error code seems to appear more frequently when the game is updated, which leads to an uptick in player count. Busy servers can often cause this error code to appear, but what can you do to fix it?

Close application

This is a simple solution but one that works frequently. Simply close out of the application and restart your system or PC to try for a workaround. If the issue is serverside, this won’t always do the trick, but it’s worth trying at first.

Make sure application and system have most recent updates

Since this error happens more frequently when an update goes live, it’s possible you might’ve forgotten to install the latest update. Close out of the game, check for updates, and install them if need be. Then try launching into the game to see if this fixes the error.

Reinstall content packs

On rare occasions, you may need to reinstall content packs to get around the 2901 error code. Modern Warfare 2 allows you to install content in different parts, and some of this content may be corrupted — leading to the error code. Try reinstalling the Multiplayer Pack or the Warzone 2 pack to potentially fix the error.

Modern Warfare 2 Trello

If all else fails, this error is likely an issue on the game’s side and could require you to wait it out. Be sure to check the official Trello board to see if and when issues are addressed.

Joseph Yaden is a freelance journalist who covers Nintendo, shooters, and horror games. He mostly covers game guides for…

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call of duty modern warfare iii release date makarov mwiii

Activision has confirmed a November 10 release date for Call of Duty: Modern Warfare III with a teaser trailer following a barrage of leaks.
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Modern Warfare III is Coming
It begins with some green soundwaves on-screen and a lot of radio chatter in the background. Then, the soundwaves turn from green to red before the perspective then pushes into them, creating a trippy red void. In there, we briefly see waveform images of a snake and Captain Price before he says, "Never bury your enemies alive" over the silhouette of a new character. This is believed to be Vladimir Makarov, the villain of the original Modern Warfare trilogy, who was teased in the post-credit scene for last year's campaign. After all of that, the title Call of Duty: Modern Warfare III is confirmed, as is the release date of November 10.

This date falls right in line with the late October to early November window in which Call of Duty games usually come out. It also places its launch after Microsoft's Activision Blizzard acquisition is expected to be complete, so it looks like this may be the first Call of Duty game released under Microsoft. Other than that date, official details on the game are fairly scarce. Thankfully, we shouldn't have to wait too much longer to learn more.
Call of Duty: Modern Warfare III launches on November 10.

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Soldiers running in Modern Warfare II.

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The meta in Call of Duty games shifts constantly as weapons are added and tweaked, so it's always a good idea to stay on top of the latest updates. In this guide, we'll rank each primary weapon in Modern Warfare 2 across all categories (with the exception of the Riot Shield). This ranking is in descending order, with the first spot being the best and the last spot being the worst. We'll also link to loadout guides for the weapons on this list so you know exactly which attachments to use.
Assault rifles

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Call of Duty Warzone screenshot of 3 characters walking towards the camera.

Following the Call of Duty: Warzone Season 4 Reloaded update, players have flocked to various close-range weapons, including the Lachmann Sub, the FSS Hurricane, or the ISO 45. However, these close-range weapons pale in comparison to the X13 Auto, a sidearm that has found its way to the top of the close-range meta.

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The best X13 Auto loadout