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    Problem with AzureAD MFA on OpenVPN

    Scheduled Pinned Locked Moved OpenVPN
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    • 6
      615Don
      last edited by

      So I have everything set up for OpenVPN to authenticate against NPS via RADIUS and the AzureAD Plugin for NPS. When I test authentication via diagnostics or by attempting the VPN connection, I receive the push notification, approve it and then nothing happens. A few seconds later, I get a second push notification which I accept but then it fails auth.

      When I test it using a tool such as ntradping, everything works flawlessly. So there's something in my pfSense setup that isn't quite right.

      In Windows Event Viewer on the NPS server, I get event 6272 Network Policy Server granted access to a user followed immediately by event 6274 Network Policy Server discarded the request for a user (in the same second usually).

      What am I missing?

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