Microsoft Entra ID
Authentication

Enable Authenticator Passkey

In brief

The documentation now states that iOS cross-device registration does not support attestation, while Android does. Attested passkeys can also be registered through Android cross-device flows.

What Entra admins need to know

Administrators should communicate the platform-specific registration behavior to users.

This editorial summary was generated by AI from the documentation changes. Verify important details in the full Microsoft Learn article.

Documentation change

The comparison below shows only the changed extract. Use the full-page view for complete context.

To learn more about FIDO2 support, see Support for FIDO2 authentication with Microsoft Entra ID.

UsersOn iOS, users can only register attested passkeys directly in the Authenticator app. Cross-On Android, users can also register attested passkeys by using a cross-device registration flows don't support registration of attested passkeys.flow.

Authenticator AAGUIDs

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