The password the game asks for is set in GamePanelServer OptionsServer password. It must be 5 to 20 characters.
Before you start
Your GamePanel credentials, sent by email when you ordered.
Log in to the GamePanel and open your Valheim server.
Go to Server Options and find "Server password".
Note it down, or replace it with your own (5 to 20 characters).
Restart the server to apply a new password.
Common errors
- The in-game password isn't the GamePanel one: they're two different things.
- A change without a restart isn't applied.