We're running a Fortigate 100D, and having some trouble with the SSL VPN via FortiClient. I installed FortiClient on an external Windows 7 PC a few days pack and the SSL VPN connected and worked. I uninstalled it from that PC and installed it on a different external Windows 7 PC, and now cannot connect to the VPN.

Please follow these steps to resolve the issue: Log into the Fortinet FortiGate administrative interface. Click Policy & Objects in the left navigation panel then click IPv4 Policy.; Add the Duo user group in the Source field: Technical Tip: Unable to establish the VPN connection. The VPN server may be unreachable (-30) The IP range for the VPN SSL is too short, cannot allocate any more IPs to the FortiClient -981066010: daemon failed to establish SSL conenction to FGT need to investigate together with FGT, possible cause is login timeout, increase login Troubleshooting Tip: Unable to establish the VPN connection (E=98, T70, M99, R-985) Products. FortiClient v5.4: Uninstall the FortiClient with FortiClient removal tool 2) Restart the computer 3) Remove the Registry Key: HKEY_LOCAL_MACHINE\\SOFTWARE\\Fortinet\\Forticlient FortiClient SSL VPN is fine in W8.1 but it is not working on W10: connection get stuck at 98%. From Windows Event log: " The user SYSTEM dialed a connection named fortissl which has failed. FortiGate Unable to establish the VPN connection. The VPN server may be unreachable. December 12, 2013 By Damitha Anuradha 1 Comment. Log on to the FortiGate unit via CLI and type below command to list top sessions. diagnose sys top. Press Q to stop the listing. Unable to establish vpn connection. Hi, There must be some broken configuration in my router that is blocking to establish VPN connection via FortiClient in our network. Tried with Forticlient 6.0 and 6.2, same problem in both versions. The connection get stack in 10% and raise the next error: orticlient ssl vpn unable to establish the vpn connection the vpn server may be unreachable The request is not reaching the firewall, i disable IPV6 local win firewall and disable the AV. i notice some KB related to Wan mini port device but its not installed on my OS.

Jun 08, 2018

Connect to IPSec VPN with Forticlient - YouTube Jun 08, 2018

"Unable to establish the VPN connection. The VPN server may be unreachable." Whereas, if I setup my phone as a hotspot for WI-FI, then connect to it, then try to connect again using FortiClient, everything works perfectly. Is there a setting I need to change on my router or modem to fix this?

FortiClient VPN Connection getting stuck at Status: 98% Sep 24, 2016 Technical Note: Error ’Unable to establish the VPN The VPN server may be unreachable. (-5)" is obtained in FortiClient trying to connect to the SSL VPN and it is stuck at 40% after upgrading to 5.4.x from 5.2. or earlier. Solution # Forticlient Unable To Establish The Vpn Connection 40