If you received Windows error code 809, it says that The network connection between your computer and the VPN server could not be established because the remote server is not responding. This happens because the VPN server, client, or both are behind a NAT (Network Address Translation), such as a home router. But you can easily handle the NAT traversal issue with an easy registry fix.
Create a registry backup
Before making any kind of modifications to the system registry, it’s highly recommended to create a registry backup in Windows 10 so that you can effortlessly restore the original settings later if any errors occur. It’s definitely a quicker solution than having to use System Restore or worse, reinstalling Windows 10. Afterward, if you need to undo registry changes, just double-click the reg backup file.
How do I fix L2TP VPN connection issues in Windows 10?
If you can’t access the registry, check out our quick fixes. Or you can make Windows 10 connect to L2tT VPN using CMD instead of reg. Master the Command Prompt to get the best out of Windows 10 by joining our CMD Hub. In conclusion, if Windows 10 can’t complete your L2TP VPN connection due to NAT issues, use the reg hack above to quickly fix your problem. The first solution is suitable for casual users who prefer using the graphical interface. However, the second solution is faster for advanced users who are accustomed to the command-line interface. The point is that both methods deliver the same results, and you should be able to connect to the VPN as soon as you reboot your PC. For instance, you can use a VPN to watch ITV Hub.
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