You game server will reflect "Unknown" in the TCAdmin control panel when the TCAdmin control panel can not access the game server to verify it is online and running. There are a number of reasons this can occur, they are but not limited to, the game server is being installed, updated, stopped, or being DDoS attacked. If you are not installing, reinstalling, or running an update and you see this message for an extended period of time, please submit a support ticket so we can further investigate. Thank you