: Switching to Google Public DNS (8.8.8.8 and 8.8.4.4) can resolve "unable to join session" errors for some users. Offline Alternatives
: If you already own the game, you can still access all multiplayer and online functions including free roam, racing with friends, and the Auction House. Forza Horizon 4 Online
Are you trying to or looking to buy a copy of the game now that it's been delisted? : Switching to Google Public DNS (8