Fix: VPN Connection Failed Due to Unsuccessful Domain Name Resolution [Solution]

Fix: VPN Connection Failed Due to Unsuccessful Domain Name Resolution [Solution]
This is typically caused by the VPN client trying to establish a connection but not recognizing the server name. This may be caused by a wrong VPN server name, a bad internet connection, or an issue with the VPN client, among other reasons. Follow the steps below to eliminate different common causes of the error.
Before we get into the intricacies of the VPN connection failed due to unsuccessful domain name resolution error we need to answer the above question.
Domain name resolution in VPN is the process of translating a domain name into an IP address. When you type a domain name into your web browser, your computer sends a request to a DNS server (usually operated by your ISP) to translate the domain into an IP address.
The advantage of using a VPN is that it provides a secure way to route all of your traffic through the VPN server.
Issues addressed in this tutorial:
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VPN connection is failed due to unsuccessful domain name resolution
While connecting to a VPN, if you see The VPN connection failed due to unsuccessful domain name resolution message, you can follow this tutorial to fix this problem. It happens due to wrong public DNS settings or when the public DNS stops responding correctly.
The VPN connection failed due to unsuccessful domain name resolution
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.

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