Hello,
Thank you for posting in Q&A forum.
The error message indicates authentication method 'ngcmfa' for the relying party trust 'Device Registration Service' during MFA.
Please kindly check if there's any misconfiguration regarding relying party trust settings.
1.Open the Active Directory Federation Services (AD FS) Management Console.
2.Navigate to the "Relying Party Trusts" node.
Find and select the relying party trust named 'Device Registration Service'.
3.Check the configuration settings and see if there's any misconfiguration.
Hope this answer can help you well.
Best Regards,
Shujun
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