Hi FortiGuru, "Limit users to One SSL-VPN connection at a time" ... this is one of the solutions. Find out if user logins in using multiple devices. Each Forticlinet should have 1 x IP address on the adapter.
I had that same new problem intermitent with a few of my customers running 6.0.14 or 5.6.11. The Fortigate seem to keep in memory the IP address of the previous connections from that same user, doesnt clear his cache.
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