L2TP is one of the most secure VPN protocols. It supports 256-bit encryption, which privacy experts highly recommend. Besides, the speed remains largely unaffected, and users get a stable connection. So, let’s find out all about the issue.

Why is my L2TP VPN not working?

Here are a few reasons you cannot connect to L2TP VPN in Windows 10:

Incorrect username or password: The most likely reason you face issues with the connection is inaccurate authentication details. Misconfigured settings: Even misconfigured network or VPN settings can trigger issues and prevent the VPN from working effectively. Wrong server address: Some users found out that they had input an incorrect server address and were, as a result, unable to connect to L2TP VPN in Windows 10. Connection blocked by the firewall: A built-in or third-party firewall can often block connections it deems risky, and you need to modify the rules for things to work out.

Quick Tip: Use a premium VPN instead. If you keep having problems with your current configuration, consider using a dedicated VPN app that’s way easier to configure. ExpressVPN is a great alternative that supports L2TP/IPsec. The only thing you have to do is to install it and select the protocol in one click from settings.

What can I do if I cannot connect to L2TP VPN in Windows 10?

Before we head to the slightly complex solutions, try these quick ones first:

Restart the computer and then try connecting to the VPN. Check the user name and password for the VPN connection. Also, verify with the administrator if these were recently changed, and use the new ones. Ensure you entered the correct server address and the Pre-shared key (if applicable). Check for updates and install any pending ones for Windows 10.

If none of these work, move to the fixes listed below.

1. Uninstall recent Windows Update

When you cannot connect to L2TP VPN in Windows 10, the first to check for is a buggy update since this has happened in the past. Verify whether others, too, are facing the same problem, and if that’s the case, uninstall the update.

2. Disable Xbox Live Networking Service

Many users found out that the Xbox Live Networking Service, for some reason, created conflicts and, as a result, they cannot connect to L2TP VPN in Windows 10.

3. Change the VPN settings

4. Change the firewall rules

In many cases, the firewall is the underlying cause when you cannot connect to L2TP VPN in Windows 10, and simply changing the rules should do the trick.

5. Modify the Registry

The Registry fix is found to be highly effective when you cannot connect to L2TP VPN in Windows 10 and worked for many. Also, if 1 does not work as the Value data for AssumeUDPEncapsulationContextOnSendRule, enter 2 the next time, and the error should be gone.

6. Create a new user account

If nothing helps and you still cannot connect to L2TP VPN in Windows 10, the last option is to create a new user account. It should, in all likelihood, fix the problem. However, if you don’t want to worry about such problems anymore, we suggest using ExpessVPN instead. It’s also the best VPN for Google Chrome. Tell us which fix worked for you in the comments section below.

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