Unable to Access Azure Portal – MFA Not Sending Code to Authenticator App

If you are unable to receive notifications or codes from the Microsoft Authenticator App for Multi-Factor Authentication (MFA), there are a few steps you can take to resolve the issue:

1. Check Your Phone Settings: Ensure that notifications for the Microsoft Authenticator App are enabled on your phone. Sometimes, notifications may be blocked or turned off.
2. Use Alternative Verification Options: If you have set up other options for security verification, you can select Other verification options during the sign-in process to try a different method.
3. Admin Reset: If you cannot access your account at all, you may need to ask another admin to reset your MFA settings. They can do this by signing into the Azure portal and managing user settings.
4. Check for Blocked Account: If your account is blocked from using MFA, an admin can check your user profile in the Azure portal to see if the Block sign in option is enabled and disable it if necessary.
5. Reinstall the App: As a last resort, you can try uninstalling and reinstalling the Microsoft Authenticator App, but be cautious as this may require you to set up MFA again.

If these steps do not resolve the issue, you may need to contact Microsoft support for further assistance.

References:

• Can't use Azure Multi-Factor Authentication to sign in to cloud services after you lose your phone or the phone number changes
• You don't receive a text or voice call that contains the verification code for Microsoft Entra multifactor authentication