![FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1 FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1](http://www.layer8.one/wp-content/uploads/2017.07.25-03-Connecting...-40-Unable-to-establish-the-VPN-connection.-The-VPN-server-may-be-unreachable.-5.jpg)
FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1
![How to resolve failed to establish the VPN connection in Windows 11 - Diadem Technologies : Support Knowledgebase How to resolve failed to establish the VPN connection in Windows 11 - Diadem Technologies : Support Knowledgebase](https://kb.diadem.in/kb_upload/image/image/Screenshot_4(5).jpg)
How to resolve failed to establish the VPN connection in Windows 11 - Diadem Technologies : Support Knowledgebase
![FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1 FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1](https://www.layer8.one/wp-content/uploads/2017.07.25-00-Connecting...-40-Unable-to-establish-the-VPN-connection.-The-VPN-server-may-be-unreachable.-5-300x165.png)
FortiGate SSLVPN – Connecting… (40) – Unable to establish the VPN connection. The VPN server may be unreachable. (-5) – Layer 8.1
![SIJ Poder Judicial: Unable to establish the VPN connection. The VPN server may be unreachable - YouTube SIJ Poder Judicial: Unable to establish the VPN connection. The VPN server may be unreachable - YouTube](https://i.ytimg.com/vi/eNKA_TC9JPI/maxresdefault.jpg)
SIJ Poder Judicial: Unable to establish the VPN connection. The VPN server may be unreachable - YouTube
Why do I see the error "Unable to establish VPN connection. The VPN server may be unreachable. (-14)" during a FortiClient logon attempt?
![How To Fix Unable To Establish The VPN Connection. The VPN Server Maybe Unreachable. In FortiClient - YouTube How To Fix Unable To Establish The VPN Connection. The VPN Server Maybe Unreachable. In FortiClient - YouTube](https://i.ytimg.com/vi/P6QVIE-j2jk/sddefault.jpg)