How to Solve VPN Error 800?

Using a Virtual Private Network or VPN service has become the norm these days. It is used by organizations to secure their employee’s access to sensitive company data and also by the privacy-minded individual users who want to remain safe on the internet.

Though technology has to reach sky height, we still face some glitches which are also true in the case of VPN. Sometimes you will not be able to connect to your VPN service and get an error message.

The most common among them is the VPN error 800 with the message “Unable to establish the VPN connection”. To solve the problem, let us first know what causes it.

Causes of VPN Error 800

One of the most common errors you would face, it happens when you are trying to connect to a VPN server through a new connection. The VPN server for some reason is not able to receive the messages sent out from your end. It may be caused by-

  • Loss of connection from the local network
  • Incorrect address or name of the VPN server is provided
  • VPN connection is blocked by a network firewall

Solutions for VPN Error 800

There are many guides on how to solve problems with your VPN connection in internet, you can find some on credible sources such as The actual tips there will help you to use VPN service in the correct way. You can perform the following steps to resolve the problem in your VPN connection.

1. Check the Network connection between your PC and VPN Server

To check whether the connection is functioning normally, you can ping the VPN server. It may not always work as some of them are configured to bypass ICMP requests.

Next thing you can do is to try connecting again after a few minutes which can work in case of sporadic network failures.

You should also try connecting from another device which will determine if the problem lies with the specific computer.

2. Input Accurate VPN Server Credentials

The VPN name or address you provide must match the one assigned by the VPN provider. Check if the VPN service has changed the IP address of the server in case you have entered the old one. Changing of IP address is more common with DHCP networks.

It is better to type the address of the server than using the IP address, as there are fewer chances of human error.

3. Find the Firewall

To check whether your firewall is the culprit behind the problem, disable it and try connecting to your VPN service.

If that is the case then you need to configure the firewall settings related to the port numbers utilized by the VPN. Specifically look into IP port 47 and TCP port 1723 if you are using a Windows VPN service.

The changes can be made through the broadband router you are using at home. If that doesn’t solve the problem then go for a firmware update for your router.

The above steps should solve the problem of VPN error 800. If not, then the VPN server may be offline or temporarily unavailable.