Join Session not working Steam Multiplayer

[Ben_Cykyria]

@Owenwrn are you on 5.6? Then you need to replace SteamNetConnection with SteamSocketsNetDriver. There are more bugs in 5.6 in the Steam subsystem though, so beware. Here is one of the many threads:

Is there anyone who can run the Online Subsystem Steam properly in UE 5.6?

Hi, I’m trying to migrate my project from UE 5.5.4 to UE 5.6. Everything has been going well so far, except for the Steam integration. The scenario is as follows; A hosting player runs the packaged game on a PC with Steam Account - A and creates a lobby session and successfully travels to lobby map via server travel. World->ServerTravel(PathToLobby); Another player (client) runs the same packaged game on another PC with Steam Account - B and tries to join host player A. PlayerController…