Halo 2 Co-op Bug/Losing Connection

I have tried to play Halo 2 with friends and also tried with my brother but constantly encounter text that said “Lost connection to host” or something similar to that after what appeared to be the game loading and then freezing going back to a blue Halo:MCC screen. Can’t remember clearly. Halo 3 worked fine I finished that on Legendary and just need one mission on Halo 2 but this bug is preventing me from finishing all Halo games on Legendary. Thanks! Hope you can sort this out fast, need to get that Helioskrill and them achievements!

I’ve been having that issue tonight in Halo CE co op.

Hello freind.
Iam having the same issue , but it let me beat the last level but the achivements for thd last level says “done unlocking”
But i dint get the other achievements and i beat on legendary.
I am so upset