MFA not working after legacy migration

Cyril_934 0 Reputation points

Hello, We have seen a few months ago the required migration from legacy multifactor authentication to authentication methods policy menu to configure Multiple Factor Authentication. We are using Microsoft Authenticator or OATH third party application. I have configured everything that seems required in the authentication methods policy menu, but when I configured the migration as completed, a few users (not everyone just some people) were not able to login to their microsoft account (Outlook, ...) When trying to login, they received a message "organization needs more information to keep your account secure" and ended up in a loop where they can't login. To make it work again for those people, I had to rollback the migration. Could you help me please ? Thanks a lot, Cyril

Microsoft Authenticator
Microsoft Authenticator
A Microsoft app for iOS and Android devices that enables authentication with two-factor verification, phone sign-in, and code generation.
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Microsoft Entra ID
Microsoft Entra ID
A Microsoft Entra identity service that provides identity management and access control capabilities. Replaces Azure Active Directory.
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