Quick Fix: Fortinet SSLVPN 98% Error Unable to Establish the Connection

This one puzzled me for several hours this week. After making some changes to the structured cabling we were alerted to an issue preventing SSLVPNs from connecting.

Anyone attempting to connect saw the progress stop at 98% received an error similar to :

Unable to establish the VPN Connection (E=98,T-981066010,M99,R10)

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