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Fix: VPN Error 809 on Windows 10 & 11

4 min. read

Updated onNovember 21, 2023

updated onNovember 21, 2023

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Key notes

VPNerror809 is usually caused by the firewall between the client and server, which blocks the ports used by theVPNtunnel.

On top of that, Windows doesn’t support IPsec NAT-T security associations to servers behind a NAT device by default.

When theerrorappears, the event log too won’t display any related logs because the traffic can’t reach the MX’s WAN interface. But you should be able to solve it onWindows 10.

Here’s theerror messagewe’re talking about.

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How can I fix VPN error 809 on Windows 10?

Enable the ports on your firewall or router

You need to open the ports on your firewall or router, depending on whichVPNprotocol you’re using.

If this is not possible, deploy the SSTP- or OpenVPN-based tunnel on yourVPNprovider.

This allows the VPN connection to work across the firewall, NAT, and web proxies.

Find out more abouthow to fix VPN blocked by Windows Firewall.

Use a VPN client instead of a manual VPN connection

Windows 10 is prone to various problems, includingVPNerrors like 809. It can be the result of incorrect network settings.

Even if you manage to fix the issue, it doesn’t mean you won’t face it again.

So, if you’re looking for a long-term solution to get rid ofVPNerrors, we suggest opting forPrivate Internet Access (PIA).

It has a nativeVPNapp ready for Windows 10 as well as older Windows versions and other devices: Mac, Linux, Android, and iOS, and even routers.

You can use PIA to create a secure tunnel to the public Internet. This way, you can protect your privacy, encrypt your data against any hacker attacks, and unblock content that’s not available to your region.

More about PIA:

Private Internet Access

Make a small modification to the system registry

Disable Xbox Live Networking services

If your anti-malware solution is not compatible with Windows 10, it could break down your IPsec connections.

So you should temporarily disable it to see if it’s the root ofVPNerror 809.

Discover more abouthow to bypass VPN blocks on Windows 10 PC.

Check PAP settings

In conclusion, you should be able to fix theVPNerror 809 on your Windows 10 PC by opening ports in your firewall or router.

You can also make a tiny modification to your system registry and check PAP settings when creating theVPNconnection.

However, the surest way to get rid ofVPNerrors is by using a nativeVPNapp for Windows instead of setting up a manualVPNconnection.

And we can’t think of a more suitedVPNprovider than Private Internet Access.

Fix: VPN Error 809 on Windows 10 & 11#

How can I fix VPN error 809 on Windows 10?#

Enable the ports on your firewall or router#

Use a VPN client instead of a manual VPN connection#

Private Internet Access#

Make a small modification to the system registry#

Disable Xbox Live Networking services#

Check PAP settings#