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Switching the Azure Authentication Methods policy to "Migration complete" broke number matching for a lot of our users, and they are unable to register Microsoft Authenticator; when they scan the QR code they either get a message saying the code was already used, or Authenticator sets it up as a Software OATH token. I see that Microsoft has changed the deadline from September 30th, 2023, to September 30th, 2025, presumably because the modern authentication methods system is broken. Could a warning or further details be added to the relevant pages?
https://entra.microsoft.com/#view/Microsoft_AAD_IAM/AuthenticationMethodsMenuBlade/~/AdminAuthMethods/fromNav/Identity
https://aka.ms/authmethodsmigrationdoc
https://www.reddit.com/r/sysadmin/comments/16s03cf/microsoft_365_mfa_registration_broken/
- RobYork
Microsoft
Just checked with the Entra team and they're not aware of such an issue (the date change is completely unrelated). You're best-off contacting support, you can do this from the Azure portal by clicking the ? icon in the top right. Rob
