Microsoft Security | Microsoft Entra | Microsoft Entra ID
A cloud-based identity and access management service for securing user authentication and resource access
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Hello Marc Wall
Welcome to Microsoft Q&A Platform and thank you for reaching out.
I understand that you're having trouble with the Microsoft Authenticator App to verify your MFA.
In this case, if there is another global administrator from your tenant, they can help you to reregister your MFA.
Admin has to perform below steps to reset your MFA so that you can re-register for authenticator app.
- Admin has to login to Azure portal and access Microsoft Entra ID.
- Once done they have to go to user's blade on the left.
- Click on the user account which is unable to login to Azure portal.
- Click on Authentication methods and click on “Require re-register multifactor authentication”.
- Now when you try to login to Azure, it will prompt you to register for MFA again.
If you are not aware of another global administrator or you are the only global admin in your tenant, please let us know. We will guide you further.
Thanks