Cisco: The VPN connection failed due to unsuccessful domain name resolution - Troubleshoot and Fix

Cisco AnyConnect VPN client (application) display this catch it all error message when the device cannot "see" the VPN tunnel. The error, the VPN connection failed due to unsuccessful domain name resolution, can also be caused by technical issues on the client machine. In this tutorial, I demonstrate few of the troubleshooting techniques that I use resolve this error.
This is not an exhaustive list of methods. A skilled IT Analyst should be using analytical skills to eliminate possible issues by testing variety of VPN connection aspects.
For more comprehensive look at CCNA courses, please refer to the following playlists:
-CCNA1 Introduction to Networks: • CCNA 1 - Introduction ...
-CCNA2 Switching, Routing, and Wireless Essentials: • CCNA 2 - Switching, Ro...
-CCNA3 Enterprise Networking, Security, and Automation: • CCNA 3 - Enterprise Ne...
Chapters:
00:00 - Introduction
01:38 - Backgrounder
03:41 - Client DNS and IP
07:45 - Switch Internet connection
11:35 - Change network settings
Track: WhileART Sessions Episode 02 | Waramathi (වරමාතී) Fusion
Watch: • WhileART Sessions Epis...
sanuja.com
Co-producer:
Manuja Senanayake
#ccna #cisco #CiscoAnyConnect #VPN #domainnames

[@kmcdonald870]

about 8 minutes after ipconfig release and renew my vpn connected on it's own. Thank You! I will also connect machine directly to router with lan cable if problem persists. I am monitoring this since it started to occur with new router.

[@saheedadeyanju6366]

Thank you for making this video. it is very informative 🎉🎉🎉

[@NetITGeeks]

Glad it was helpful!

[@saheedadeyanju6366]

Please make more videos on Cisco Anyconnect

[@NetITGeeks]

Will do... I been busy lately with work. But expect new uploads soon.