How to fix VPN Error 429 (Unable to resolve server address)?

May 13, 2019 |

greater than 5 minutes

VPNs have grown in popularity over the years because of the need for users to mask their locations while browsing. Most users also need these programs to access internet content from regions where their IPs may be restricted, or if they simply need a faster connection.

There are many benefits that come with using a VPN, but there can sometimes be many headaches as well. One of such annoying issues is Error 429: Unable to resolve server address. Many Windows users, including those that are using routers, WiFi or any other mode of connection, have experienced this issue. We’ll show you ways to solve the error in this article.

What is VPN error 429?

This error code is a very common one. Many users of different VPN clients have experienced it. The error occurs when the client software is unable to establish a connection with the VPN server. Because of this, the message “Unable to resolve server address” shows up.

Why do I get VPN error 429?

There is a number of reasons that you may be seeing this error. For starters, it could be that you don’t have an Internet connection. The client software requires this to be able to connect to the VPN server, and as we well know, Internet connectivity problems are common and are caused by numerous issues themselves.

It could also be that there is an issue with the client software, if it isn’t properly installed for example. Malware is another culprit that is worth checking, even though it’s quite rare.

Whatever the cause, we’ll guide you through different fixes to solve the issue.

How to resolve VPN error 429

We’ll show you different methods that you can try. We’re confident that one of these will help you put an end to the problem.

Check your internet connection

One of the main reasons you’ll face the error is that you don’t have an Internet connection. So, be sure to check that your computer is connected to a network and that the network has Internet access.

If you confirm that your computer is not connected to the internet, then you can take it up with your ISP to solve the problem. Once you resolve your Internet connectivity problem, go back to your VPN client software and try connecting to see if you can now surf the net with the location tweaks that you want to apply.

Make sure your system is virus-free

Malicious programs can cause all sorts of problems on your computer and could be the reason you’re experiencing this error. While it’s rare for this to happen, it’s always worth keeping your computer protected. After all, there are lots of other things that could go wrong if you’re vulnerable.

To make sure your computer isn’t infected, you can run a comprehensive scan with your antivirus program or through Windows Defender.

Auslogics Anti-Malware is a great system protection program that can keep your computer safe from dangerous programs. The tool can complement Windows Defender and other antivirus software, and it can even run without them.

Configure your IP and DNS settings

Your VPN software might be unable to establish a connection because your IP and DNS address settings are not configured properly. You have to correct the configuration to make sure everything works. To do that, follow these steps:

  1. Click the Start Button, type control and in the search result, click Control Panel.
  2. In the Control Panel window, click “View Network Status and Tasks” under Network and Internet.
  3. Now, in the next window, click the Change Adapter Settings option which is located in the left pane.
  4. Right-click your current connection and then choose Properties.
  5. Under the Networking tab in the Properties window, go to Internet Protocol Version (TCP/IP), click it and then click the Properties button below. You can do this for both IPv4 and IPv6 to be sure.
  6. In the Properties window, select the following options:

Obtain an IP address automatically

Obtain DNS server address automatically

  1. Click OK and then OK again in the main Properties window to save your Settings.

Release and Renew your IP address

Renewing your IP address can help you establish a connection and put an end to the issue you’re facing. You’ll be doing this in an elevated command prompt. Note that you need to have administrator control with the user account you’re to use to apply this fix. Follow these steps to release and renew your IP address:

  1. In the search bar next to the Start button, type “command prompt” (without the quotes).
  2. Once the search result shows up, right-click Command Prompt and then choose Run as Administrator.
  3. Click Yes when the prompt for permission pops up.
  4. Now, in the elevated Command Prompt, type the following commands and hit Enter after typing each one:

ipconfig /release

ipconfig /renew

  1. There you have it, your IP has been released and renewed. You can now check if the error persists.

Stop conflicting VPN software running in the background

If you have more than one VPN client software installed, it’s possible that they’re clashing, which is why you’re seeing the error 429. To put an end to the error, deactivate the VPN software that you’re not using. To do this, simply press Ctrl+Shift+Esc to open Task Manager. When Task Manager opens, locate the program’s process, click it and then click End Task below. Now check with the VPN software that you want to use if the issue is still there.

Run the VPN client software as administrator

In certain cases, users have solved error 429 by closing the client software and launching it as an administrator. In order to do this, simply click the Start button, search for the software, right-click it and then select Run as Administrator from the menu. You’ll be prompted to confirm in a pop-up, click Yes. Note that you also need to be in a user account with admin privileges to do this.

Uninstall and reinstall the client software

If all else fails, you can try uninstalling the software completely and then reinstalling it. This will solve the problem if the client wasn’t installed properly or has components that have been corrupted.

Call customer support

This is often the last resort. If nothing works, then it’s possible the customer care can help you solve the problem, especially if the issue is related to your account.

Final words

Remember that securing your computer is as important as cloning your location or accessing the internet in a safe way. Make sure you have Auslogics Anti-Malware installed so that you can rest easy knowing you’re protected. We hope that you can now use your VPN client software without fail. If you have further issues that you’ll like us to help you with, you can tell us in the comments section below and we’ll promptly assist you!

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