I got it to work by joining first a server that won't kick me out. Then joining the server i want to play in. But this needs to be fixed. Why does some server are ok and others won't recognize your battle eye.

I get that shit too. YOU GUYS NEED TO REVERT BACK YOUR DAMN UPDATE. WE PAID FOR A PRODUCT WE ASK THAT IT WORKS!!!!!! ONE FULL WEEK AND NO RESULT YOU SHOULD BE ASHAMED.