Improving VPN Speed and Stability on Windows

Improving VPN Speed and Stability on Windows

In addition to the solutions offered in “Five tips for improving your VPN performance”, this article examines some additional improvements specifically for Windows-based devices. 


Remove parental/security controls on your router.

Some network providers might have enabled network security features on your network. Such features are often parental controls or some 'Safe DNS' function.

Setting custom DNS on your router will do the trick. To do that, you will need to navigate to your router's network settings and change the DNS to:


DNS 1: 208.67.222.222

DNS 2: 208.67.220.220


  1. Using the start menu, go to the control panel/Network and Internet tab

  2. Click on the “Network and Sharing Center” and select “Change adapter settings” from the left pane

  3. In the new window, right-click on the active TAP adapter (it is the one with the green connections bar) and choose “Properties.” 

  4. Select “Internet Protocol Version 4(TCP/IP)”  and click properties

  5. Choose “Use the following DNS server addresses: and enter the new addresses above.  

  6. Click OK.

  7. Repeat for any other active address and Nordlayer VPN. 

  8. Finally, Restart Windows to apply the changes.

Change the default DNS on your macOS device.

If your PC uses the DNS settings from your Internet Service Provider, you might experience connectivity issues. Changing your default DNS to Open DNS is worth trying.


DNS 1: 208.67.222.222

DNS 2: 208.67.220.220

Disable the IPv6

IPv6 is a networking system that some internet networks might have. NordLayer still needs to support IPv6, so connectivity issues may arise if you have it on your network.


  1. Using the start menu, go to the control panel/Network and Internet tab

  2. Click on the “Network and Sharing Center” and select “Change adapter settings” from the left pane

  3. In the new window, right-click on the active TAP adapter (it is the one with the green connections bar)

  4. Untick the “Internet Protocol Version 6 (TCP/IP)” box and press OK 

  5. Repeat for any other active address and Nordlayer VPN. 

  6. Finally, Restart Windows to apply the changes.


    • Related Articles

    • Improving VPN Speed and Stability on MacOS

      In addition to the solutions offered in “Five tips for improving your VPN performance”, this article examines some additional improvements specifically for MacOS devices. Remove parental/security controls on your router. Some network providers might ...

    • Five Tips for Improving Your VPN Performance

      INTRODUCTION Using a VPN increases security, but that does come at the cost of raw connection performance. In this article, we have curated the key topics to consider if you are experiencing a slower-than-expected VPN connection that you can use to ...

    • BitDefender GravityZone System Requirements

      To protect networks with Bitdefender, customers must install the GravityZone security agents on network endpoints. For this purpose, customers need a Control Center user with administrator privileges over the services needed to be installed and over ...

    • What are GravityZone Bitdefender Security tools

      GravityZone provides Windows, Linux, and macOS physical and virtual machine protection with Bitdefender Endpoint Security Tools. On Windows and Linux, the security agent provides a flexible scanning system, making it ideal for mixed environments ...

    • GravityZone Product Features

      Features by product Features GravityZone Cloud Security for MSP GravityZone Small Business Security GravityZone Business Security GravityZone Advanced Business Security GravityZone Business Security Premium GravityZone Business Security Enterprise ...