Error Message: "Unable to establish the VPN connection. The server returned an error response and
03/26/2020 16 People found this article helpful 400,350 Views
Description
Error Message: "Unable to establish the VPN connection. The server returned an error response and refused the connection."
Resolution
Problem Definition:
When establishing a tunnel connection, during the authentication phase, if a user takes more than 2-3 minutes to complete the authentication process, authentication may fail for the client with the following log message in the tunnel client's ngutil log.
11:59:18.651 E Error encountered with a logon server authentication request. [QAABOf0l88rkwM+JI6qhjxo/pmA=]
Error 0xE3020009: Unable to establish the VPN connection. The server returned an error response and refused the connection.
This issue may occur for RADIUS token users who accidentally input the wrong token code multiple times. A hotfix is available to resolve this issue by allowing authentication to take up to 20 minutes to complete.
Resolution or Workaround:
This issue was first resolved in ew-hotfix-8_8_x-025. The latest version of ew-hotfix-8_8_x is available for download from KB item #2427.
Tracking:
BugID: 70022
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