BattlEye Client: Server Requiring v 1.167. Updating... BattlEye Client: Could not connect to BE Master BattlEye Client: update attempt failed The thing is, you have a proper working Internet connection, so it's not the matter of firewall rules, router settings, or anything else. You have...
Ok, have manually run the Battleye install at \Steam\SteamApps\common\Arma 2 Operation Arrowhead\BEsetup\Setup_BattlEyeARMA2OA.exe and I can join the server, receive the mission file, then my client exits out with "ErrorMessage: Include file z\addons\dayz_code\system\BIS_Effects\init.sqf...