What does "no direct connection available" mean?

What does "no direct connection available" mean? - Person Holding Silver Iphone 6

In Space Engineers it always says no direct connection available when playing peer-to-peer. This always happens when I connect to friends via the peer-to-peer function in the game (multiplayer) and it happens to my friends as well.

I've searched as much as I can for a solution but can only find other users with the same problem. There's a lot of lag when playing like this for the person that connects as a client. The host has no lag.

  • What does it mean?
  • How do I fix it?


Best Answer

Reviving this old question since I've came across the same issue.

I would like to extend accepted answer for those who are playing within the same local network (behind a single router). In that case you'll need to set different port on each client in order to be able to play without issues.

  1. Go to Steam's My games menu
  2. Right-click on the game you wish to play
  3. Go to Properties From the General tab, click on the Set launch options button
  4. Add a different client port number on each machine between 27005 and 27032 in the following format: +clientport 270XX

  5. Click OK

    Note: Do not use port 27020 (Steam suggest it)

More details here: https://support.steampowered.com/kb_article.php?ref=6370-QPHJ-3567




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