: 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
: From the game's start screen, sign out of your profile and then sign back in to refresh the connection to live configuration servers. Forza Horizon 4 Online
: While no official shutdown date has been set, Forza titles typically maintain online servers for several years post-delisting (often up to a 10-year cycle, which for FH4 would be around 2028). : Switching to Google Public DNS (8
Are you trying to or looking to buy a copy of the game now that it's been delisted? then restart the game.
: Use control.exe /name Microsoft.CredentialManager to remove all "Xbl" or "XboxLive" tokens under Windows Credentials, then restart the game.