I have been having this issue for about a week and I tried just about everything but never found a fix. I instantly get kicked after trying to join a server. With a box in the middle of my screen saying "You were kicked". I use dayzlauncher to connect to a server and ever sense steam released an update where it required me to authorize a request to launch the game, I haven't been able to connect. Here's a screenshot
If you guys need anymore information just let me know and I'll answer as fast I can.