How to add an admin to your ARK server
Login to the control panel here.
Click the Game Services button, you will see this to the left of the control panel.
If you have multiple game servers, now select the game server you want to do this on
Stop the server
Click Configuration Files.
Click the Configuration Editor button next to the AllowedCheaterSteamIDs.txt file
Click on the "New Admin" button
Get yours or other players steam64ID from a site such as: https://steamid.io/
Add the steam64ID into the box shown,
Click Save and start the server
For multiple admins, simply click the "New Admin" button multiple times.
Click the Game Services button, you will see this to the left of the control panel.
If you have multiple game servers, now select the game server you want to do this on
Stop the server
Click Configuration Files.
Click the Configuration Editor button next to the AllowedCheaterSteamIDs.txt file
Click on the "New Admin" button
Get yours or other players steam64ID from a site such as: https://steamid.io/
Add the steam64ID into the box shown,
Click Save and start the server
For multiple admins, simply click the "New Admin" button multiple times.
Updated on: 19/05/2019
Thank you!