unable to use wifi authentication by using NPS from Azure AD

Question

Been trying to setup the NPS server from my Azure AD to allow my client to join the wifi connection automatically.
After the setup, I tried to connect to that SSID that I've configured but failed.

I saw the log from the "Network Policy and Access Services", I found out the reason code is 9. May I ask is there anybody came across similar issue while you do such setup please?

Authentication Details:
Connection Request Policy Name: Secure Wireless Connections
Network Policy Name: Secure Wireless Coneections
Authentication Provider: Windows
Authentication Server: MY_DC_NAME
Authentication Type: PEAP
EAP Type: Microsoft: Secured password (EAP-MSCHAP v2)
Account Session Identifier: XXXXXX
Reason Code: 9
Reason: The request was discarded by a third-party extension DLL file.

Thanks for helping!

Answer 1

It's always good to check links with problems similar to ours, because sometimes we find a general solution that helps to solve the problem permanently, so, check the two topics below:

https://learn.microsoft.com/en-us/answers/questions/57999/device-certificate-scep-based-authentication-again.html

https://learn.microsoft.com/en-us/answers/questions/399472/azure-ad-joined-devices-nps-eap-types-34secure-pas.html

I also find it interesting to refer to the article on "Integrate your VPN infrastructure with Azure AD MFA using the Network Policy Server extension for Azure", see the article below:

https://learn.microsoft.com/en-us/azure/active-directory/authentication/howto-mfa-nps-extension-vpn

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