Online subsystem find sessions of other game but not mine.

Hi, I don’t see any special issues with your code, we also had so many problems when using temp SteamAppID - 480. Similar to your that we have seen other sessions, sometimes could sometimes couldn’t find our session. Or people could connect only if they are close to each other (like cities that are nearby), but it didn’t work across the country.

I think this 480 app id is used too widely and is not working properly in many cases. For us creating our own project on Steam (and paying $100) solved all those weird sessions issues.

I would suggest you testing following workflow:

  1. change [OnlineSubsystemSteam] bEnabled=true to bEnabled=false
  2. then you can test your logic by launching local instances of your game, just right-click .uproject file and press Launch Game. Create session like this and launch another instance to see if you can join

If everything works correctly I would suggest just spending $100 to get your unique SteamID and this should solve such weird session issues.

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