I can’t login because it wants me to use the app but I’m signing in using the app.

Joseph Taylor 0 Reputation points
2025-12-01T03:05:36.11+00:00

How do I login when it won’t let me use the Authenticator app?

Outlook | Outlook for mobile | Outlook for iOS | For education
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  1. Q&A Assist
    2025-12-01T03:05:44.68+00:00
    AI generated content. This question contains an answer created with AI from Q&A Assist. Learn more

    If you're unable to log in because the Authenticator app is not allowing you to proceed, here are a few steps you can try:

    1. Check for Pending Notifications: Open the Authenticator app and see if there are any pending notifications that you need to respond to. Sometimes, if there is an unanswered verification prompt, it can prevent you from logging in.
    2. Ensure App is Updated: Make sure that the Microsoft Authenticator app is updated to the latest version. An outdated app may have issues that could affect your ability to sign in.
    3. Restart the App: Close the Authenticator app completely and then reopen it. This can sometimes resolve temporary glitches.
    4. Clear Sign-in Information: If you have previously saved sign-in information, try clearing it and then attempt to sign in again using the app.
    5. Use Alternative Sign-in Methods: If possible, try using a different sign-in method, such as a phone call or SMS, if those options are available.
    6. Contact Support: If none of the above steps work, consider reaching out to your organization's IT support for assistance, as there may be specific configurations or restrictions in place.

    These steps should help you troubleshoot the issue with signing in using the Authenticator app.

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  2. Darren-Ng 6,285 Reputation points Microsoft External Staff Moderator
    2025-12-01T03:47:11.9966667+00:00

    Dear @Joseph Taylor,

    Thank you for posting your question in the Microsoft Q&A forum.

    Based on your description, you cannot log in because the system requires the Authenticator app even though you are already using it.

    For better understand your situation, could you please provide more detail information as:

    • Did the Authenticator app send any notification to you when you tried to sign in to your account?
    • Have you tried using alternative sign-in methods when MFA didn’t work?

    If you tried all the option above but you still can't sign in to your account on any other platform on your phone, please contact your IT team at your organization and ask them to follow this article: Manage user authentication methods for Microsoft Entra multifactor authentication to reset your multi-factor authentication (MFA), allowing you to re-register Microsoft Authenticator. Only your IT/admin have the authority to change your MFA setting.

    I hope information above helpful, if you have any other questions, please feel free to reach out.


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