In order to allow AnyConnect proper functionality, users must disable the Internet Connection Sharing feature. If you try to install or launch the AnyConnect application while ICS is enabled on the same machine, the application will return the following error: “The VPN client agent was unable to create the interprocess communication depot.”

I finally got my VPN working by doing the following: Go to Network and sharing centre -> Change adapter settings. Right click on each connection and click on properties. Go to sharing tab and uncheck "Allow other network users to connect through this computers internet connect". This should work. So it is likely that the issue is something on the VPN headend. I would suggest having someone check the logs on the VPN head end immediately after you have attempted a connection and see if there are log messages that might identify what is causing your VPN to not establish its connection.

"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.

Dec 18, 2015 · The VPN server may be unreachable error when he tried to connect, while everybody else was connecting without a problem. His FortiClient status would always stop at 40 when connecting. There can be several things that can cause this problem, one of them might be an improper TeamViewer upgrade.

This article provides a possible solution for the SSL VPN connection attempt stopping at a status of 40% with the warning message "Unable to establish the VPN connection. The VPN server may be unreachable. (-5)".

CISCO ANYCONNECT SECURE MOBILITY CLIENT VPN USER MESSAGE: The VPN client was unable to setup IP filtering. A VPN connection will not be established. May 09, 2020 · Unable to establish the VPN connection , VPN server may be unreachable | Forticlient | Infotainment Infotainment. Windows 10 VPN Server Client PPTP Setup - Duration: 28:31. Mar 29, 2020 · Unable to establish the vpn connection. The vpn server may be unreachable - FortiClient Error WaH-Banana March 29, 2020 Please follow the below instruction to resolve the above error. Error 0xE3020009: Unable to establish the VPN connection. The server returned an error response and refused the connection. This issue may occur for RADIUS token users who accidentally input the wrong token code multiple times. A hotfix is available to resolve this issue by allowing authentication to take up to 20 minutes to complete. unable to obtain session ID from vpn.yourserver.com, ports=443: (error description here) This error message can be found in the capi.log file and also shown in the popup message in Windows or macOS when you use OpenVPN Connect Client for Windows or macOS.