MFA & Verification Issues

How to Reset Microsoft Authenticator MFA When Locked Out

Huma Ashraf Ch Sep 29, 2026 868 views

Question details

The user is unable to access their Microsoft account due to a continuous Microsoft Authenticator sign-in loop and needs to reset their multi-factor authentication (MFA) settings.

How to Reset Microsoft Authenticator MFA When You Are Locked Out

Product: Microsoft Authenticator
Device & OS: not provided
Scenario: Attempting to sign in to a work or school account but getting blocked by an authentication loop despite entering the correct credentials.
Observed behavior: The system continuously prompts for Authenticator verification, creating a loop that prevents access to the account even when the correct username and password are used.

Before you start

Before proceeding, check if you have an alternative verification method set up (such as an alternate email or phone number) and ensure you know your correct account credentials.

Solution 1Recommended

Use an Alternative Verification Method

Bypass the Authenticator loop by selecting a different pre-configured verification method to access your account.

If your account is configured with fallback verification options, you can use them to bypass the Microsoft Authenticator app entirely.

Access sign-in options

On the Microsoft login screen, enter your username and password. When prompted for the Authenticator approval, click on the 'Sign in another way' or 'I can't use my Microsoft Authenticator app right now' link.

Select a backup method

Choose an alternative method from the list, such as receiving a text message (SMS) code, a phone call, or using an alternate email address.

Verify and log in

Enter the verification code you receive via your chosen backup method to successfully log into your account.

Solution 2

Request an MFA Reset from Your Administrator

If you have a work or school account and lack alternative methods, your IT admin must reset your authentication methods.

Solution 3

Contact Microsoft Support for Sole Administrators

If you are the only global administrator for your tenant and are locked out, you must contact Microsoft Data Protection for account recovery.

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Frequently Asked Questions

Why is Microsoft Authenticator stuck in a sign-in loop?

A sign-in loop usually occurs when the app's configuration goes out of sync with your Microsoft account, or if a previous backup was restored improperly on a new device. Resetting the MFA method clears the old configuration and resolves the loop.

Can community forum moderators reset my Microsoft MFA?

No. Microsoft community forum moderators do not have backend access to user accounts or tenant data, and therefore cannot change account settings, bypass security protocols, or reset MFA methods.

What if I lost the phone that has my Microsoft Authenticator app?

If you lose your device, you must use an alternative sign-in method if you configured one previously. If no alternative method is available for a work or school account, you must contact your IT administrator immediately to revoke your old device's access and issue a new MFA setup prompt.

Login & Account Issues