I’m from Brazil and I can’t play Warzone since Wednesday. It looks like a matchmaking problem, because I never find anyone to play. I can play Arena (at least Slayer, but I’ve never succeeded to play Free for All and most of the time I can’t play Breakout either).
It looks like many other Brazilians have the same issue, I’ve seen many complaints in forums.
EDIT:Sorry for posting in the wrong section.The Brazilian Xbox support guided me to post in Halo Channel, rather than Halo 5 support. I created a new thread there, so please, just delete this thread. Thanks 