Authenticator App - Circular Verification Issue

This is a common "bootstrap problem" with Microsoft Authenticator. Here are the quickest solutions:

Immediate Fixes:

1. Try alternative methods - Check if SMS, email, or backup codes are available at login
2. Use trusted device - Sign in from a computer where you're already logged in to access security settings

Admin Reset (Most Effective):
If you have IT support or another admin:

• Go to Microsoft Entra Admin Center → Users → [Your Account] → Authentication Methods
• Click "Require re-register multifactor authentication"
• This breaks the loop and lets you set up fresh

Self-Service Options:

• Try https://mysignins.microsoft.com/security-info on a trusted device
• Check if you can access Microsoft account recovery at https://account.live.com/acsr

Last Resort:
Contact Microsoft Support - mention you're in an "Authenticator circular verification loop." They can verify your identity through other means.

Prevention:
Once resolved, immediately set up backup methods (SMS, email) and enable cloud backup in Authenticator settings.

This issue happens because Authenticator became your only verification method without alternatives. The admin reset is usually the fastest solution.

Hope this helps! 

Key takeaway: Admin MFA reset is your best bet - it's designed exactly for this scenario where users are locked out of their primary authentication method.