Also one thing that could cause this if if you have a load balancer
where your source IP would change it will now kick you out each time the
IP accessing the Fortimail changes.
There are too many factors to answer... But I will say that if you want
users to have a good connection experience you'll want a lot more than 1
FortiAP for 600 users.
This would be a sales question to help you size appropriately. TAC can
help with other questions. A lot more information would be needed to
answer your question though. How big an area, what interference is
there, etc.Some areas you might want to mai...