VPN, CISCO AnyConnect, Uninstalling Previous VPN Clients

In most cases, you won't need to uninstall an old VPN client; you can just stop using it. However, some users report error messages with the new AnyConnect VPN that can be corrected by uninstalling older ones.

The error message

You may need to uninstall the old VPN clients if you see the message "AnyConnect was not able to establish a connection to the specified secure gateway. Please try connecting again."

On Windows

Windows 7

  1. Click the Start Menu.
  2. Type View network connections in the search bar, then click that item in the results list.
  3. In the window that appears, right-click the old VPN item you want to remove and choose Delete. You may need to delete two items:
    1. CITES VPN with the subheading WAN Miniport (PPTP)
    2. Aventail VPN with the subheading Aventail VPN Adapter
  4. (If you had an Aventail VPN client installed:)
    Go to the Start Menu- > Control Panel -> Uninstall Program.
  5. In the list of programs that appears, select Aventail Connect, then click the Uninstall button above the list.
  6. Click Yes when prompted to uninstall.
  7. If the Aventail icon remains on your desktop after uninstallation, you can drag it into your Recycle Bin.

Windows 8

  1. Right-click the Start Menu.
  2. Select Network Connections from the list of options.
  3. In the window that appears, right-click the old VPN item you want to remove and choose Delete. You may need to delete two items:
    1. CITES VPN with the subheading WAN Miniport (PPTP)
    2. Aventail VPN with the subheading Aventail VPN Adapter
  4. (If you had an Aventail VPN client installed:)
    Go to the Start Menu- > Control Panel -> Uninstall Program.
  5. In the list of programs that appears, select Aventail Connect, then click the Uninstall button above the list.
  6. Click Yes when prompted to uninstall.
  7. If the Aventail icon remains on your desktop after uninstallation, you can drag it into your Recycle Bin.

 

On Mac

Removing the old CITES VPN (aka Nortel)

  1. Under System Preferences, choose Network
  2. In the left hand list of connections, choose the old VPN that you want to remove. (If it says vpn3.near.uiuc.edu in the Server Address line, it's an old connection and should be removed.)
  3. Uncheck the box that says "Show VPN status in the menu bar."
  4. Click the minus button below the left hand column.
  5. Click Apply.

Removing the Aventail VPN client

  1. With your Finder open to Applications, find Aventail Connect in your applications list.
  2. Right click on it and choose Move to Trash.
  3. If prompted, enter the computer's administrator user name and password.

More help

If you need further assistance with this error, please contact the Help Desk.




Keywords:VPN, uninstall, AnyConnect gateway error, Cisco, Nortel, Aventail, Windows 7, Windows 8, Mac   Doc ID:47634
Owner:Debbie F.Group:University of Illinois Technology Services
Created:2015-02-26 10:42 CDTUpdated:2016-12-19 16:54 CDT
Sites:University of Illinois Technology Services
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