If you're having trouble connecting to Call of Duty: Black Ops III, you should first check Call of Duty: Black Ops III Server Status. If the status indicator for your platform is not green or an alert is present, you might encounter connectivity issues until service is restored and fully operational.

As of writing this article, Call of Duty BO3 servers remain live across all platforms, which includes PC, PlayStation 4, Xbox 360, Xbox One, Mac, and PlayStation 3. Its multiplayer servers still undergo periodic maintenance and continue to be fully functional in 2024.