Halo: The Master Chief Collection has not got off to the best of starts suffering from server issues that make matchmaking almost impossible, but 343 Industries are aware of the issue and have just released a patch to fix some of the problems the game is having, this was confirmed in an official statement on 343 Industries blog: The update was deployed as a hotfix and does not require any manual download. The patch was released 40 minutes ago and its still unclear if it has worked or not. Let us know if you can get into matchmaking now or not in the comments below.