This article is intended to assist with troubleshooting the various issues that may occur with AnyConnect on Windows. This page will be updated if new issues arise.
Error Message: "The VPN connection failed due to unsuccessful domain name resolution".
This error occurs when there's a mismatch between addresses in .XML files that AnyConnect references. Erasing these files (which will be automatically re-created) will resolve this issue.
If the AnyConnect client is currently open, close it.
You'll also need to ensure that AnyConnect is not running in background. If the AnyConnect icon is in the bottom-right of your taskbar, right-click and choose Close.
Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\
Delete the file named preferences_global.xml.
Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\Profile
Delete any files that end in .XML
Navigate to the following folder in Windows Explorer - C:\Users\NetID\AppData\Local\Cisco\AnyConnect\, replacing NetID with your actual NetID.
Delete the file named preferences.xml
Once you've done that, re-open AnyConnect any type in 'anyconnect.uconn.edu/split', and click Connect.
Unable to Type in AnyConnect Address Bar
Occasionally some users may need to switch to another AnyConnect Realm, however upon attempting to type the new URL, the AnyConnect client doesn't allow it. Resolving this issue requires erasing a couple of files.
If the AnyConnect client is currently open, close it.
Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\Profile
Once there, delete any files that end in .XML.
Once you've done that re-open AnyConnect, type in the URL of the Realm you're looking to connect to, and click Connect.