Authenticator App is Asking for Authentication From the App

Question

I am currently signed out of my school mail because I recently got a new phone. It is asking me for either a code or numbers provided by the Microsoft authenticator app (the app I am currently in). This is not working because I am logged out of the account on the Microsoft authenticator app and trying to log into it.

Moved from: Microsoft Security | Microsoft Authenticator

Answer 1

Dear Borger, Kali,

I’m very sorry for the inconvenience you’ve experienced, based on the details you shared.

If you are using a work/school account, I would recommend you contact your IT Admin to reset your MFA settings through the Microsoft Entra Admin Center. Ask your administrator to follow these steps:   

1. Sign in to the entra.microsoft.com as at least one Authentication Administrator. 
2. Select User > All user.  Select the user (your account) to act on and select Authentication methods then select Require re-register of multi-factor authentication.  

Require re-register MFA: This disables all previous authentication methods. You'll then be prompted to configure a new MFA authentication method the next time you try to sign in, so you can set up from the start and add a new authenticator app.  

For step-by-step details, see the official Microsoft documentation: Manage authentication methods for Microsoft Entra multi-factor authentication - Microsoft Entra ID | Microsoft Learn    

If you’re unsure who the Global Admin is within your school account's organization, you can find guidance on locating them here: How do I find my Microsoft 365 admin? - Microsoft Support  

Note: Once re-registration is triggered, all your existing MFA methods such as phone numbers, Authenticator app, or other verification options will be removed. You will need to set up new MFA methods during your next login. Please ensure you have access to a valid phone number or the Microsoft Authenticator app before attempting to sign in again. 

I appreciate your patience, and I am here to help. Looking forward to your response!

---

Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.