Troubleshooting Tip: Unable to establish the VPN c...

FortiClient

FortiClient proactively defends against advanced attacks. Its tight integration with the Security Fabric enables policy-based automation to contain threats and control outbreaks. FortiClient is compatible with Fabric-Ready partners to further strengthen enterprises’ security posture.

Article Id 197262

Description
This articles describes how to troubleshoot the establishment of a VPN connection.

Users may receive the following error when trying to connect to a VPN:

Unable to establish the VPN connection (E=98, T70, M99, R-985) -- Or similar

SSLVPN is stuck at 98% in Windows OS.

Solution
1) Uninstall the FortiClient with FortiClient removal tool

2) Restart the computer

3) Remove the Registry Key: HKEY_LOCAL_MACHINE\SOFTWARE\Fortinet\Forticlient

4) Install the FortiClient 5.4.2

5) Test the communication

41923

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Troubleshooting Tip: Unable to establish the VPN connection (E=98, T70, M99, R-985)