System settings
Once the initial setup of the FortiAuthenticator is complete, further configuration can be performed through the GUI.
DNS
To enable resolution of the FortiGuard network and other systems such as NTP servers, set your DNS to your local or ISP nameserver configuration via Network > DNS.
Configure the FQDN
You can configure the FQDN for the FortiAuthenticator from the System Information widget in System > Dashboard. Click the edit icon next to Device FQDN to open the Edit Device FQDN window, enter a name for Fully qualified domain name, and click OK.