How to: Fix Vpn Error 809 on Windows 10

How to: Fix Vpn Error 809 on Windows 10

Here we can see, “How to: Fix Vpn Error 809 on Windows 10”

  • The VPN error 809 indicates that the network connection between your machine and the VPN server could not be created due to the distant server’s failure to reply.
  • You can simply resolve this issue by following the steps outlined below. However, using a native VPN program rather than a manual VPN connection is the best long-term solution.

The firewall between the client and server frequently causes VPN error 809 by blocking the VPN tunnel’s ports.

Furthermore, by default, Windows does not enable IPsec NAT-T security relationships to servers behind a NAT device.

Because the traffic cannot reach MX’s WAN interface, the event log will not show any related logs when the problem occurs. However, under Windows 10, you should be able to resolve the issue.

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How can I fix VPN error 809 on Windows 10?

1. Enable the ports on your firewall or router

Depending on which VPN protocol you’re using, you’ll need to open your firewall or router ports.

    • Port 1723 over TCP for PPTP
    • Port 500 or 4500 over UDP for L2TP/IPsec or IKEv2/IPsec

Use your VPN provider’s SSTP or OpenVPN-based tunnel if this isn’t possible.

This enables the VPN connection to pass across firewalls, NATs, and web proxies.

Use a VPN client instead of a manual VPN connection

Windows 10 is prone to various issues, including VPN difficulties such as error 809. Faulty network settings could cause it.

Even if you solve the problem, that doesn’t guarantee you won’t have to deal with it again.

If you’re seeking a long-term solution to VPN issues, look no further.

It has a native VPN client for Windows 10, previous Windows versions, Mac, Linux, Android, and iOS devices, as well as routers.

2. Make a small modification to the system registry

    1. Select Run from the Start menu.
    2. Press Enter after typing regedit.
    3. Go to the following address:
      • HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesPolicyAgent
    4. Select New from the Edit menu, then DWORD (32-bit) Value.
    5. Press Enter to type AssumeUDPEncapsulationContextOnSendRule.
    6. Select the AssumeUDPEncapsulationContextOnSendRule entry and double-click it.
      • Hexadecimal as the base
      • Value data should be set to 2
      • Click OK
    7. Restart your computer.

3. Disable Xbox Live Networking services

    1. In the search box, type services.
    2. From the search results, select Services.
    3. Locate Xbox Live Networking Services and turn it off.
    4. Check your VPN connection and see if the problem 809 goes away.

Your IPsec connections may be broken if your anti-malware solution is not compatible with Windows 10.

So you should turn it off for a while to see if it’s the source of VPN error 809.

4. Check PAP settings

    1. Select Settings from the Start menu.
    2. Select Internet and Network.
    3. On the left pane, select VPN.
    4. Select Add a VPN Connection and enter the following information:
      • Use Windows as a VPN provider (built-in)
      • Put anything you want in Connection Name because it will be displayed on the interface.
      • Enter the external hostname of your VPN as the server name or address.
      • Choose L2TP/IPsec as your VPN type.
      • Select the Username and password as the type of sign-in information.
      • Save the file.
    5. Change the adapter settings.
    6. Right-click the newly established connection and choose Properties.
    7. Select Advanced Settings from the Security tab.
    8. Select the Pre-shared key.
    9. Click OK after entering the PSK.
    10. Encrypt data to the highest level possible.
    11. Select Allow these protocols under Authentication.
    12. Only check the PAP box.
    13. Start your computer again.

Finally, by opening ports in your firewall or router, you should be able to fix VPN issue 809 on your Windows 10 PC.

You can also verify PAP settings and make a small change to your system registry while setting up the VPN connection.

However, instead of setting up a manual VPN connection, the best approach to avoid VPN issues is to use a native VPN tool for Windows.


I hope you found this guide useful. If you’ve got any questions or comments, don’t hesitate to use the shape below.

User Questions

1. What can I do about Error 809?

If you’re still seeing this problem, ensure your firewall, router, or Internet service provider isn’t blocking traffic on ports 500 and 4500. Make sure your Norton device security solution is configured to enable access to these ports if you have one.

2. Which has failed the error code returned on failure is 809?

Because the remote server is not responding, the network connection between your computer and the VPN server could not be created. This could be because one of the network devices between your machine and the remote server (firewalls, NAT, routers, etc.) is not set to enable VPN connections.

3. Which has fallen short? When something goes wrong, the error code is 789?

What causes VPN error 789? This error occurs when your machine is not properly configured to connect to an L2TP server, causing the connection attempt to fail even before the server is established. It’s also tied to an incorrectly configured operating system, in this case Windows 10.

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