FAQ Cisco VPN client

Error messages when installing and using Cisco

Windows Vista

Error 5: No hostname exists for this connection entry. Unable to make vpn connection.

Error 56: The Cisco Systems, Inc. VPN Service has not been started. Please start this service and try again.

Secure VPN Connection terminated locally by the client.
Reason 403: Unable to contact the security gateway.

Secure VPN Connection terminated locally by the Client.
412: The remote peer is no longer responding.

  • A firewall is a possible cause. Try disabling the firewall and then setting up a VPN. If the VPN can be established well now, you need to adjust the settings of the firewall.
  • Another solution, and a very specific one (only for this error message!) is to download and import the ugvpn.pcf config file.
    - Click 'Save'.
    - Save in: select Desktop (easy to find).
    - In the windows Download Complete, select 'Close'.
    - In the (Cisco) VPN Client (via 'Start - Programmes - Cisco Systems VPN Client - VPN Client'), remove the existing connection entry (UGent) and then click "import" under "connection entries" in the menu.
    - In the opening dialogue window select Desktop first and then the file 'UGent.pcf'
    - Click 'Open' and 'OK' to close the window mentioning the import was succesful.

Secure VPN connection terminated locally by the client.
Reason 413: User authentication failed

Reason 421: Failed to establish a connection to your ISP.

Cisco VPN Client displays the message "Reason 422": Lost contact with the security gateway. Check your network connection". The connection to the RoamNet VPN Gateway is no longer available.

Secure VPN Connection terminated locally by the Client.
Reason 429: Unable to resolve server address.

Secure VPN Connection terminated locally by the Client.
Reason 442: Failed to enable Virtual Adapter.

Error 1609: An error occurred while applying security settings. Authenticated ...

Error 1722: There is a problem with this Windows Installer package. A program run as part of the setup did not finish as expected. Contact your support personnel or package vendor.
(error when installing Cisco)

Error 28000
(error when installing Cisco because there is still (a part of) an old installation present on the system)

When installing Cisco, a 'DNE error' occurs and you are asked to restart

Windows XP

When starting the VPN connection, the computer shuts down (or generates a blue screen).

Error 427: unknown error occurred at peer.


Error 51: Unable to communicate with the VPN subsystem