Having trouble with login

If you're having trouble using your authenticator app to receive codes for logging into your account, it may be due to a few common issues. Here are some steps you can take to resolve the problem:

1. Check Alternative Sign-in Methods: If you have any alternative methods to sign in (like SMS or email), try using those instead.
2. Reset MFA Settings: If you are an end-user and your organization has a Global Admin, ask them to reset your Multi-Factor Authentication (MFA) settings. This will allow you to set up the authenticator app again.
3. Contact Support: If you are the only administrator for your account and cannot access it, you may need to contact Microsoft Data Protection Support by phone to regain access. They can help you reset your authentication methods.
4. Create a Temporary Account: If you cannot reach support, consider signing up for a trial Microsoft 365 account. This will allow you to submit a support ticket for your original account.

These steps should help you regain access to your account. If you need further assistance, please reach out to your organization's IT support or Microsoft support directly.

References:

• 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. - Microsoft Q&A
• Microsoft authenticator sending me into a spiral - Microsoft Q&A