What is VPN error 429?

This error is one that is most commonly faced by VPN users and it is actually an error message which informs you that the VPN client failed to authenticate with the VPN server and that communication between your device and the VPN server could not be established. Some of the messages being displayed are:

“Unable to establish the VPN connection. The server may be unreachable”.

“Secure VPN connection was terminated locally by the client”.

“Unable to resolve host or server address”.

 How can the VPN 429 error be resolved?

This error may be experienced by users of desktop as well as users of mobile devices but it is an easy to resolve issue, simply by following the list of steps described below:

  1. Go to Start menu and then navigate to control panel.
  2. Right click on “Network connections” and select properties.
  3. Now that you have the properties tab open, locate the Internet Protocol (TCP/IP).
  4. Click on the boxes next to the following two options, so that they’ll be enabled:
  5. Obtain an IP address automatically.
  6. Obtain a DNS server address automatically.
  7. Click on “Connect” so that your VPN tunnel will be activated.

These five steps described up to now are usually enough to resolve the VPN error 429. In the event that your issue persists, proceed with the next 5 fail-safe steps.

  1. Go to Start menu again and then go to Run. We need to open the DOS prompt, so type “CMD” in the Run field and hit “enter”.
  2. Now that you are in DOS prompt, execute the following command which will release any assigned IP address from your network devices: “ipconfig/release”.
  3. Next step is to renew the assigned IP address, so again from DOS command prompt execute: “ipconfig/renew”.
  4. The DOS window is no longer needed, so type “exit” and hit enter to get it closed.
  5. Go to your VPN client and hit “Connect” to activate the VPN tunnel.

Normally you should now be able to connect, especially if you performed all 10 steps. If you still experience issues that prevent the VPN tunneling to complete, it may be time to contact your VPN provider for further assistance.

You can also take a look to the user- friendly solutions for some common VPN errors below:

  • Check for any other VPN software running in the background and deactivate it.
  • Try to switch between encryption protocols.
  • Try opening your VPN program in Administrator mode.
  • Pick an alternative VPN server.
  • Request a different server address from your VPN provider.
  • Try reinstalling your VPN client.

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