MFA & Verification Issues

Fix Microsoft Authenticator Loop: App Requests Verification Code

Partner Editor Sep 30, 2026 869 views

Question details

The user is locked out of their Microsoft account due to an authentication loop where both the sign-in screen and the Authenticator app demand a verification code simultaneously.

How to Recover Access When Microsoft Authenticator Asks for a Verification Code

Product: Microsoft Authenticator
Device & OS: not provided
Scenario: Attempting to sign in to a Microsoft account that has multi-factor authentication (MFA) enabled.
Observed behavior: Both the Microsoft login portal and the Microsoft Authenticator app prompt for a verification code at the same time, making it impossible to approve the sign-in request.

Before you start

Before proceeding, check if you have an alternative sign-in method configured (like SMS or email) by clicking 'Sign in another way' on the login screen. If not, you will need assistance from an IT administrator.

Solution 1Recommended

Ask an IT Administrator to Reset Your MFA Method

If you are part of a business or school organization, the fastest way to break the authentication loop is to have your IT admin clear your current MFA settings.

When an administrator resets your authentication methods, the system revokes the current desynchronized Authenticator token. The next time you sign in, you will be prompted to register your security information from scratch.

Contact your IT support

Reach out to your company's helpdesk or another Global Administrator in your Microsoft 365 tenant.

Admin resets authentication

Ask the administrator to log into the Microsoft Entra admin center, locate your user profile, navigate to 'Authentication methods', and select 'Require re-register MFA'.

Sign in and reconfigure

Once reset, go to the Microsoft sign-in page, enter your username and password, and follow the on-screen prompts to set up Microsoft Authenticator again.

Ask an IT Administrator to Reset Your MFA Method

Tip: When setting up the Authenticator app again, consider adding a secondary authentication method such as a phone number to prevent future lockouts.

Solution 2

Contact Microsoft 365 Business Support

If you are the sole administrator of your organization and cannot access your account, you must contact Microsoft Support to regain access.

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Frequently Asked Questions

Why is my Microsoft Authenticator app asking for a verification code to open?

This typically occurs due to a synchronization bug where the sign-in portal and the app are waiting on each other. It can happen if the app's token expires or becomes corrupted, resulting in an endless authentication loop.

Can I bypass the Authenticator loop without an admin?

Only if you have previously set up an alternative verification method. On the login screen, click 'Sign in another way' and choose to receive a code via SMS or an alternate email address.

How long does it take for Microsoft Support to unlock an admin account?

Because admin accounts have high security privileges, the Microsoft Data Protection team must rigorously verify your identity. Depending on the complexity, this process can take anywhere from a few hours to several days.

Login & Account Issues