VPN Troubleshooting FAQ - Lehigh Confluence - LTS

The VPN client driver has encountered an error. There are a few solutions to fix this issue. (The first solution is to replace your antivirus). To do these you need to: Uninstall McAfee antivirus or any other antivirus that is installed on your system. Download and install Microsoft Security Essentials antivirus. "The VPN client driver has encountered an error" The following screen messages may appear when this problem occurs: (These on a Windows XP Home Edition system) The information below was related to a corrupt driver database and was fixed by renaming and deleting the affected catroot2 directory. Virtual Adapter に関連するエラーについて The VPN client driver encountered an error. Please restart your computer or device, then try again. Oct 19, 2011 · It says establishing a VPN connection, then a message pops up that says, "The VPN client driver has encountered an error". I thought I'd try here first before going to TAC. Has anybody had this problem and resolved it? Jul 21, 2017 · If you must use older versions of Cisco AnyConnect, Windows 8 and above may give you an error about the "VPN client driver encountered an error". A registry fix will get you connected again. Oct 30, 2012 · An unknown error has occurred in the VPN client service while trying to reconnect. Description The VPN connection was terminated without a reconnect reason code because of a flaw in the client software. Recommended User Response Try starting a new VPN connection. Jan 12, 2013 · AnyConnect was not able to establish a connection to the specified secure gateway. Please try connecting again. The VPN client driver encountered an error. Please restart your computer or device, then try again.

Got the update to Windows 10 Pro TP build 10049, and this has broken both the AnyConnect client (again) and VMWare workstation. Previous build both were working Tried the uninstall of the AnyConnect client and re-install (ver. 3.1.06079 and 3.1.07021) both in 'native mode and compatibility (windows 8), with no luck.

Hoping someone can give me some direction here. My company uses AnyConnect with the Cisco Trojan (CSD) which has stopped me from being able to get OpenConnect to work correctly so I have resorted to the Cisco AnyConnect App. I was able to fix this issue today. I first did the recommended Device Manager check for extra Cisco network adapters, but found none. After that, I went to the properties for the Cisco network adapter under Network and sharing center, disabled IPv6, and switched from static to dynamic in IPv4. Check the DisplayName data value. On my installation, it had a bit of inf information before the actual name. So deleted that info, and was left with just Cisco AnyConnect VPN Virtual Miniport Adapter for Windows x64. Fired up the VPN Client and connected without any problems . The Cisco team has commented on my post, this is what they wrote:

I'm getting the same errors though my message history is a bit different. I wanted to try the fix /u/jamaleise suggested, however I don't see a Cisco Adapter in my Network and Sharing Center. It appears that there's an issue with the creation of the adapter.

About The Author: Phil Hart has been a Microsoft Community Contributor since 2010. With a current point score over 100,000, they've contributed more than 3000 answers in the Microsoft Support forums and have created almost 200 new help articles in the Technet Wiki. Cisco AnyConnect – Windows 8 – The VPN client driver Jack Post author December 5, 2014 at 9:16 am. Hey Allen, As another side note, I have also seen antivirus products affect the way the client works in Windows 7 up. In particiular, we saw the scanning engine of Microsoft’s System Center Endpoint Protection prompt a lot of issues with the Cisco VPN clients.