Getting my New phone to sign in my Authenticater app?

To regain access to your Microsoft Authenticator app on your new iPhone, you will need to go through the recovery process since you are currently locked out due to the app being signed out. Here are some steps you can take:

1. Use Alternative Sign-in Methods: If you have alternative authentication methods set up (like SMS or email), try using those to log in to your account. This can help you bypass the Authenticator app temporarily.
2. Contact Support: If you are unable to access your account through alternative methods, you may need to contact Microsoft support. Explain your situation and ask them to assist you in resetting your multi-factor authentication (MFA) settings. They may require you to verify your identity.
3. Involve Admins: If you are part of an organization, reach out to your IT admin. They can reset your MFA settings through the Microsoft Entra Admin Center, which will allow you to set up the Authenticator app again.
4. Re-register MFA: If you are the only admin in your organization, you may need to contact the Microsoft Data Protection team for assistance in resetting your MFA settings.
5. Set Up Authenticator Again: Once you regain access to your account, you can set up the Authenticator app again by following the prompts to add your account, usually via a QR code or manual entry.

These steps should help you navigate through the issue and regain access to your Microsoft Authenticator app on your new device.

References:

• How Do I Regain Access to My Account After Losing Access to Microsoft Authenticator? (Urgent Request).
• I have a Micrsoft business account and I am the admin and the only user registered under this account. I can't log in because i have replaced my phone and the authenticator doesn't work.