How to Fix VPN Error 806 (GRE Blocked) on Windows
- Blog
- September 22, 2022
If you can’t connect to your VPN, error 806 (GRE blocked) may be the culprit. Here’s how to fix it on Windows.
Table of Contents
How to Fix VPN Error 806 (GRE Blocked) on Windows
Causes of the VPN Error 806 (GRE Blocked) on Windows
The GRE (Generic Routing Encapsulation) is a tunneling protocol that is used to encapsulate data packets. It is often used by VPNs (Virtual Private Networks) to create a secure connection between two points. However, sometimes the GRE can be blocked by firewalls or other security measures. This can cause the VPN Error 806 (GRE Blocked).
There are a few things that can cause the VPN Error 806 (GRE Blocked). It could be that the GRE protocol is being blocked by a firewall. It could also be that the GRE is not properly configured on the VPN server. Another possibility is that the GRE is being blocked by an ISP (Internet Service Provider).
If you are getting the VPN Error 806 (GRE Blocked), it is important to find out what is causing it. Once you know the cause, you can then take steps to fix it.
If the VPN Error 806 (GRE Blocked) is being caused by a firewall, you will need to configure the firewall to allow the GRE protocol. If the VPN Error 806 (GRE Blocked) is being caused by the VPN server, you will need to contact the VPN server administrator and ask them to properly configure the GRE. If the VPN Error 806 (GRE Blocked) is being caused by an ISP, you will need to contact the ISP and ask them to unblock the GRE protocol.
How to Fix VPN Error 806 (GRE Blocked) on Windows
If you’re receiving the “VPN Error 806: The remote connection was denied because the user name and password combination you provided is not recognized, or the selected authentication protocol is not permitted on the remote access server” when attempting to connect to a VPN, it’s likely that GRE is being blocked.
GRE, or Generic Routing Encapsulation, is a tunneling protocol that’s often used for VPN connections. In order for a VPN connection to be established, GRE must be allowed through any firewall or security software that may be blocking it.
If you’re not sure how to do this, you can contact your IT department or the support team for your VPN software. Once GRE is unblocked, you should be able to connect to your VPN without any issues.
Conclusion
If you’re still having trouble after following the steps above, you may need to contact your VPN provider or network administrator for assistance.
Further Reading
If you’re looking for more information on how to fix VPN Error 806 (GRE Blocked) on Windows, we suggest checking out the following resources:
– How to fix VPN Error 806 (GRE Blocked) on Windows (https://www.techsviewer.com/fix-vpn-error-806-gre-blocked-on-windows/)
– Fix: VPN Error 806 ‘A GRE packet is blocked’ (https://www.thewindowsclub.com/vpn-error-806-a-gre-packet-is-blocked)
– How to Fix VPN Error 806 (https://www.troublefixers.com/fix-vpn-error-806/)
