This problem occurs because the Layer 2 Tunneling Protocol (L2TP) tries to create a host route and then detects that the route to the host that was created by the dial-up connection already exists.

I would try creating that VPN connection from another computer in another location and testing. I would then test his computer trying to connect to a different VPN server somewhere else if you have access to one. If you continue to have problems, post back. How to Fix Error 651 in Windows. Easily! - Driver Easy Restart your computer and modem. The network error 651 may be caused by your PC or modem … Error 651 when I try to connect to my VPN - Microsoft Apr 15, 2011 Error connecting to vpn Error 651 The modem or other

Cannot connect to a VPN server - authentication failed

"Error 623" - Dell Community Right Click on VPN connection" and this is where I'm lost. In Network Connections I have 2 icons, one for Local Area Connection (network cable unplugged), and one for my Wireless Network Connection (which is connected), and right-clicking on this icon does not show VPN connection. What am I doing wrong, can anybody help me please?

Nov 04, 2010

How to Fix Error 651 in Windows 8 | Technobezz Jul 03, 2018 Solved: SSL-VPN Unable to Connect - Windows 10 - Dell