cfg/server_cfg.ini (PASSWORD and ADMIN_PASSWORD) every time the server starts, so always change them on Startup, not in the file.
The two passwords
How to set or change the server password
1
Open Startup
Open your server in the Game Panel and click Startup.
2
Enter the password
Type the password into Server Password. Click outside the field to save it.
3
Restart the server
Restart the server. On start, the panel writes the new value to
PASSWORD= in cfg/server_cfg.ini.4
Tell your players
Players enter the password when they join your server from the online list.

Server Password and Admin Password on the Startup page
How to remove the password
Clear the Server Password field, click outside it and restart. The server is then open to everyone again.How to set your admin password
Every new server comes with an admin password already filled in. Replace it with your own:1
Change Admin Password
On Startup, replace the value in Admin Password with a password only you and your admins know. It can’t be empty.
2
Restart
Restart the server so the new password is written to
ADMIN_PASSWORD=.3
Log in as admin in game
Join the server and type this in the chat:Example:
/admin MyRaceNight2026. See admin commands for what you can do next.Why editing PASSWORD in server_cfg.ini doesn’t stick
On every start the panel overwritesPASSWORD, ADMIN_PASSWORD and the port lines in cfg/server_cfg.ini with the values from Startup. A password typed straight into the file is replaced at the next start. Use Startup instead. Everything else in the file, such as NAME or TRACK, stays as you set it.
Frequently asked questions
How do I find my Assetto Corsa admin password?
Open Startup in the Game Panel. The Admin Password field holds the current value.Why does my server password not work?
Check that you restarted after changing it and that players type it exactly, including capital letters. If a player still can’t join, see not showing in the lobby.Can I make the server private without a password?
You can limit who joins withLOCKED_ENTRY_LIST=1 and drivers’ Steam IDs in entry_list.ini. See entry_list.ini explained.
Do admins need the server password too?
Yes. If a server password is set, everyone enters it to join. The admin password only gives admin rights once you are on the server.Related guides
Assetto Corsa server guide
Every Assetto Corsa page in one place.
Admin commands
Kick, ban and skip sessions.
Getting started
Name, track and joining.
server_cfg.ini explained
Which lines the panel overwrites.
Startup variables
How the Startup page works.
Tested by the FREAKHOSTING team on our Game Panel on 30 October 2026 (Assetto Corsa dedicated server, official Kunos acServer on Linux). Steps may differ slightly if the game changes.
Need Extra Help?
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Last Updated: October 2026