Creating the Captive Portal profile on the FortiWLC

On the FortiWLC, go to Configuration > Security > Captive Portal, select the Captive Portal Profiles tab, and ADD a new profile.

CP Name: Enter a name for the profile.
Authentication Type: RADIUS
Primary Authentication:Your Authentication profile.
Primary Accounting: Your Accounting profile.
External Server: Fortinet-Connect
External Portal: https://<fortiauthenticator-ip>/guests
Public IP of Controller: IP address that the FortiAuthenticator can use to communicate with the FortiWLC.

On the FortiWLC, go to Configuration > Security > Captive Portal, select the Captive Portal Profiles tab, and ADD a new profile.

CP Name: Enter a name for the profile.

Authentication Type: RADIUS

Primary Authentication:Your Authentication profile.

Primary Accounting: Your Accounting profile.

External Server: Fortinet-Connect

External Portal: https://<fortiauthenticator-ip>/guests

Public IP of Controller: IP address that the FortiAuthenticator can use to communicate with the FortiWLC.