"Unable to start dedicated server"

This has been going on for the past half hour I can’t play Halo 5 because of this error.

Hey OP, looks like there is a known issue right now. You can follow this thread for updates

https://www.halowaypoint.com/en-us/forums/e0d9938206f04a598ce84f2c8cadce02/topics/unable-to-access-online-game-modes-and-features/a71aadd3-ec5c-4a46-b5b1-0b01208084bd/posts?page=1