knowIT

How do I fix Cisco Anyconnect failure in Windows 8/8.1?

Cisco Anyconnect will not launch in Windows 8/8.1

Symptoms :

When trying to start Cisco Anyconnect in Windows 8/8.1, an error message appears that says it failed to initialize the connection subsystem.

  Resolution:

 1. Find the Cisco Anyconnect install folder (by default it will be C:\Program Files (x86)\Cisco\Cisco AnyConnect Secure Mobility Client

 2. Right click on vpnui and choose properties. Go to the compatibility tab and switch setting to run as Windows 7

 3. Restart machine and software should run properly.

Cause:

 Windows patch in Feb 2015 changed the way IE flags a live internet connection. This is a flag used by Cisco Anyconnect to detect whether it is online. 

 Applies To:

Windows 8.1 and later

 
Escalation Path:
 
If this does not resolve issues, the Service Desk can do further troubleshooting on UBC owned machines.
Attached Files
There are no attachments for this article.
Related Articles RSS Feed
Change the default server for Cisco AnyConnect
Viewed 57380 times since Wed, Jun 2, 2021