Up to 1024 spokes in OCVPN 6.4.2
The FortiCloud Premium license increases the spoke limit from 512 to 1024, allowing you to deploy two hubs and 1024 spokes.
On the FortiCloud OCVPN-Portal, select an overlay to view a list of all of the hubs and spokes.
On the FortiGate, go to VPN > Overlay Controller VPN to see the license status and the total number of members.