Fix Valheim "Incompatible version"

What the Valheim "Incompatible version" error means and how to fix it: update and restart the server on vanilla, sync BepInEx mods with a mod manager on modded servers, check the crossplay setting, and prevent it next patch.

  • 1:04 video
  • English captions & transcript
  • 4 November 2026

Transcript

The full narration, chapter by chapter. Click a time to play the video from there.

Intro

Getting "Incompatible version" when you join a Valheim server? Here's what it means, and how to fix it.

What it means

It means your game and the server are on different versions. Usually one side updated after a patch, and the other didn't.

Vanilla fix

On a vanilla server, update the server to the current build, and restart it so it actually runs the new version. Then update your game, and rejoin.

Modded fix

On a modded server, every player needs the same mods at the same versions as the server. Use a mod manager like r2modman, and sync to the server's exact mod list, not just the latest.

Crossplay

Still rejected on the same version? Check crossplay. If the server's crossplay setting doesn't match how you connect, Steam or Game Pass, you can get the same error.

Prevention

To prevent it: announce updates, update the server first, then players. And pin your mod versions in one shared profile.

Recap

Same version, same mods, server first. Valheim hosting at esagames.ro.

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