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Error Message: "The VPN connection failed due to unsuccessful domain name resolution".

One of the This error occurs when there's a mismatch between addresses in .XML files that AnyConnect references has an incorrect entry. Erasing these files (which will be automatically re-created) will resolve this issue.

1. If the AnyConnect client is currently open, close it.
2. You'll also need to ensure that AnyConnect is not running in background. If the AnyConnect icon is in the bottom right side of your taskbar, right-click and choose Close.

3. Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\Profile
   

   Info
   The 'ProgramData' folder is hidden by default, you can copy the address above and paste it into Windows Explorer.

   Once there, delete

   .

   
   

4. Delete the file named preferences_global.xml.

5. Navigate to the following folder in Windows Explorer - C:\ProgramData\Cisco\Cisco AnyConnect Secure Mobility Client\Profile
6. Delete any files that end in .XML
7. Navigate to the following folder in Windows Explorer - C:\Users\NetID\AppData\Local\Cisco\AnyConnect\, replacing NetID with your actual NetID.
   1. e.g. If your NetID is zzz12345, navigate to C:\Users\zzz12345\AppData\Local\Cisco\AnyConnect\
8. Delete the file named preferences.xml

9. Once you've done that, re-open AnyConnect any type in 'anyconnect.uconn.edu/split', and click Connect.

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