Cannot register FIDO key for Azure AD account

Aaron stromas 10 Reputation points
2023-02-02T19:56:50.8966667+00:00

I have enabled MFA for users and am trying to register FIDO tokes. Tried both Yubikey Bio and Security Key NFC. Both keys fail in identical manner - after I click Next on

User's image

I get the following error.

User's image

I tried different browsers (Firefox, Chrome) on Windows and macOS with the same result.

Enforce attestation is disabled.

Any ideas?

Microsoft Security | Microsoft Entra | Microsoft Entra ID
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