I'd like to shed some light on this. I have the same issue, i mostly get the "kicked from game" error, or "session lost" at times. It happens in the lobby couple seconds after I join the game. I bought the game through steam. Not running free version, or pirated version. I've tried both Six Launcher and DayZ commander. Reinstalled Arma 2 & Arma 2 OA. Reinstalled BE and DayZ Commander. I keep everything up to date including BattleEye. Look. I have tried everything. I found more than 10 forum posts about this issue without a solution yet. And I've tried every suggestion there is, several times. ( probably reinstalled 3-4 times already.) It sure as hell is not an internet issue. As I've tried it at my friends house and even at work it still won't work. I don't know. Guess we just have to quit the game lol. ive just never seen a solution to this.... The only hint i have, is that the servers with custom anti hacks, are the only few i can enter. I'm assuming the problem is there, and it should possibly be pbo files or BE but i really dont understand enough to get it sorted despite heroic efforts.