343 We all cant Play Halo 5 Matchmaking.
Please Fix this Problem und add some new Feature in the same Time if yu can.
It’s a known issue right now OP, you can keep up to date on the progress of it being fixed by following this thread
https://www.halowaypoint.com/en-us/forums/e0d9938206f04a598ce84f2c8cadce02/topics/343-response-can-t-access-halo-servers/645c3885-9167-4864-a8a3-ba234ca6ef04/posts