Warzone Firefight Update Access Denied

Games Halo 5: Guardians
1

I see everyone is taking about this update…

My Halo 5 loads normally and then gives me an authentication error and locks me out of all online features. I can’t even load my Spartan.

I’ve reset the Xbox, signed in and out but nothing changes.

So uhh… What the - blam-?!

2

Have you tried killing it with fire?

Other things I can think of is hard reset xbox, or delete halo and reinstall, which given how big the game is I wouldn’t do that unless there is literally NO other option