Steam error joining multiplayer session (5 solutions)

If you are using a free VPN while playing Steam, this may explain why you get an error when trying to participate in a multiplayer session: Your IP address has changed.

However, you can solve this problem by disabling the free VPN before launching Steam.

If you want to use a VPN, not only to avoid steam multiplayer problems, but also to improve ping control by connecting to VPN servers closer to the host, you need to invest in high-quality VPN service.

And we can think of no better option than private Internet access. It has VPN servers optimized for gaming.

You can even host game servers on a virtual private network (VPN) without having to set up the router. Indeed, PIA is one of the few VPNs that supports port forwarding.

In addition, you can configure the shared tunneling mode, exclude Steam from the secure tunnel and continue to use the VPN in your other applications, such as a web browser or torrent client, for example.

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Private Internet access

Use a reliable VPN service like PIA to play steam games without worrying about problems with multiplayer connections.

  1. Go to documents > My games
  2. Select all folders similar to: package dumps, moduserdat, logs, dumpgs.
  3. Right click on each folder and select Properties
  4. Click on the Security tab and select your username group.
  5. Click on the Edit button
  6. Select the first group or user name and check the Rejection check box.
  7. Repeat the previous step for the other user groups.
  8. Save the changes
  9. Restart your games by

The above instructions do not allow Steam to create game cache files in these folders to correct the error when trying to participate in multiplayer sessions.


Reminder: If you get a Steam Error message when trying to join online friends in a multiplayer session, make sure you fix the .NET Framework, clear the steam and game caches, and manage the permissions for the folders in the cache.

You must also disable all free VPNs you use. Instead, we recommend that you opt for a premium VPN service such as Private Internet Access (buy it here).

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Editor’s comments : This article was originally published in May 2019 and revised and updated in December 2020 for timeliness, accuracy and completeness.

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