Make sure the game is whitelisted so it doesn’t get blocked in the matchmaking lobby. 🛠 Make sure your local or campus firewall is not blocking connections. If an update was released recently, you will need to be on the latest build to play with the rest of the community. 🛠 Make sure you are on the latest game build. In your game options, select the Game tab and make sure that the Enable Crossplay box is checked for both players. Notifications for server maintenance will appear in game as well as on our social channels. 🛠 Check if server maintenance is happening. Please work through the following steps to see if they fix the problem: Server certificate authentication failed.
Sorry, failed to connect to multiplayer services.The error codes that include 0xfffffff as part of the message are generally related to connection issues.