The TechNet forums thread Cisco VPN Client describes the issue and the solution that worked for the original poster is highlighted in green, while this may not be the answer to your specific problem it would be a good place to start providing the firewall check does not solve the issue. As another poster within this thread stated it would be best to test the VPN client from Safe Mode with Networking just as a precaution to ensure there aren’t any 3 rd party firewalls that may be inadvertently getting in the way.Īlso, a similar issue to the one you are describing was also seen before within Windows Vista and Cisco VPN Client 4. It’s likely you are running Windows 7 64-bit and if that is the case, you will want to ensure the Cisco VPN Client is recommended for 64-bit versions of Windows.įor your convenience, I have checked Cisco’s Forum threads as well and many posters who were also receiving error 412 and they too have confirmed it would be wise to check any and all firewalls. Please be sure to check the type of architecture for your Dell Windows 7 Professional PC. Explanation: This error means that the remote VPN server you are trying to connect to is not responding to your connection. Follow johnwill's advice first and see if VPN is not being blocked by your ISP.
This guide should give you an idea on how to do port forwarding. While the Cisco VPN client version you are using works sufficiently on your HP Windows 7 Professional PC that doesn’t necessarily mean the same version will be compatible with your Dell Windows 7 Professional PC. Hello, From the link that you have, you will need to port-forward all those Port Nos. Please be sure you are using the most recent update as recommended for the version of Windows 7 you are running.