Arma 3 Headless Client Steam Authentication Failed Hot !!better!! -

Headless Clients don’t launch the full Steam client context by default. Without a valid Steam ticket, the server rejects the connection as unauthenticated. Running through Steam GUI (even once) caches a valid ticket.

If you are reading this, you have likely spent the last hour staring at your Arma 3 server console, watching the Headless Client (HC) connect, immediately disconnect, and vomit a red error message: arma 3 headless client steam authentication failed hot