Regular Factorio servers require all users connecting to have a valid Factorio.com account. If you would like to log in without an account, you can do so by setting your server to offline mode.
- Navigate to your control panel.
- Access your server's FTP by clicking on Files > FTP File Access, located on the left-hand side of your panel.
- Login to your FTP access using your Multicraft password.
- Navigate to
server-settings.json, then on the right, click Edit.
- Locate the option
require_user_verificationand set it to
- Save then Restart your server.