Monitor logs
Setting up a Headless Client (HC) in Arma 3 is the ultimate way to boost performance by offloading AI processing to a secondary process. However, nothing kills the mood faster than getting hit with the "Steam Authentication Failed" error the moment your HC tries to connect. arma 3 headless client steam authentication failed hot
BattlEye sometimes authenticates the server but blocks the Headless Client silently. Monitor logs Setting up a Headless Client (HC)
If you've been running the server for a while, Steam's authentication session might have timed out or "gone cold". arma 3 headless client steam authentication failed hot
-steamport=2306