This issue indicates FortiClient VPN service is unable to connect to FortiClient server for some reasons that’s why the error is occurred. The text ‘Server unreachable’ presented error window states your VPN client on your computer can’t reach the server....
Cannot Connect to L2TP VPN (Preshared Key); Error 20192 on Server Cannot get Telnet to work between two servers on same subnet Cannot ping Windows Server 2008 R2 machine from inside the network Cannot remove old Name Server record in DNS forward lookup zone Cannot restore a dhcp netsh databa...