How to fix BO2 'challenge verification failed' error when joining zombies servers
-
Every server I attempt to connect to zombies servers raises the 'challenge verification failed' error please can anyone give me a solution. Additionally, I can't join any friend's invites.
Error:
-
Get a shorter username (15 characters or less)
Hello! It looks like you're interested in this conversation, but you don't have an account yet.
Getting fed up of having to scroll through the same posts each visit? When you register for an account, you'll always come back to exactly where you were before, and choose to be notified of new replies (either via email, or push notification). You'll also be able to save bookmarks and upvote posts to show your appreciation to other community members.
With your input, this post could be even better 💗
Register Login