How to Fix VPN Connection Error 789 L2TP windows 7 – Root Cause and Solution

EASY Setup Guides for Alternate Configurations (Advanced):

Windows 7 L2TP Setup
Did you apply step one to the server as well? By continuing to browse this site, you agree to this use. The things that I have done is: There is also a youtube video tutorial: Is there a way to configure Windows 7 to accept incoming L2TP connections?

Manual Setup

Setting up VPN on Windows 7 – L2TP VPN Setup guide

Proposed as answer by Mike Bellia Tuesday, January 28, 6: Thursday, December 10, Thursday, December 10, 3: Please help me to solve this problem Thanks a lot Microsoft Certified System Engineer Sunday, December 13, 5: Does your router have a firewall? Please refer the instruction from the router manufacturer. Or you can contact the technical support of the manufacturer. Monday, December 14, 6: Proposed as answer by Routerman Thursday, January 28, 3: Monday, December 14, 4: I am having the exact same issue, were you able to find the solution.

Thursday, January 28, 3: Friday, January 29, 8: So has anyone else encountered this issue? Saturday, January 30, 9: I have same problem too. I have tried on 3 PC with Windows7 with same result. But on same Win7 i have XP in Virtualbox. Has anyone found solution for windows7? Monday, February 08, 2: Did you have any luck HR-Damir?

I am having the same problem, XP works fine, Windows 7 doesn't. Wednesday, February 10, 3: NKumarnz, I didn't have success Maybe somebody have some idea? Thursday, February 11, 7: I open a ticket with Microsoft because I could not find anything. They have been working on it for more than a week and its does not look like they are finding much on it.

I am pretty sure that is has to do with that extra information in the IKE packet. Hope some one can figure this out. He blogs here to bring the latest news from the virtual world. Thanks for help but still no luck.. Thinking of buying new router and setting up VPN again. If the problem persists, you should re-enable the IPsec service.

In order to re-enable the IPsec service, you will have to perform the following process. After this is done, it means your IPsec Service has been reset. You should restart your computer after following the above procedure. Hey Marcin, thanks for the comment and suggestion. Leave a Reply Cancel reply. Your email address will not be published.

The icon can be in the shape of computer display or wireless signal meter. Right click on that icon. Select " Open Network and Sharing Center ". In the appeared window select " Connect to a workplace ", click " Next ". If you already have other connections configured, select " No, create a new connection " and click " Next " button.

If you don't see this dialog window just skip this step. If you are not sure where to get them, scroll up the page, you can find the instructions there. Check " Don't connect now; just set it up so I can connect later " and click " Next " button. Fill the " User name " and " Password " fields, your credentials that you obtained before. For manual setup username is not your email and the password is not your password for Customer Area.

You can find these credentials in the Customer Area , same place where the server address is located. Check " Remember this password " and click " Create " button. Right click on it and select " Properties ". For " Data encryption " select " Require encryption disconnect if server declines ". Click " Advanced settings ". In the appeared window select " Use preshared key for authentication ".

L2TP VPN Setup isntructions

Edit the VPN type to L2TP. In the “Properties” of new VPN connection, click on the “Type of VPN” pop up menu and select “L2TP/IPsec”. Next, click on the “Advanced Settings” button. Set the Preshared Key. In the “IPsec Settings” dialog, click the radio button labelled “Use preshared key for authentication”. Click "Account Setup Instructions" near the PPTP/L2TP/SSTP account. On this page you will see your account setup credentials: Server Address, Username, Password and IPSec Key (only needed for L2TP connection). Please notice: The credentials on the screen above will not work — this is just an example. Windows 7 includes a native client that lets you manage your VPN L2TP/IPSec connections. In this article: 1- Configuring a new VPN.