MFA & Verification Issues

How to Fix Microsoft Authenticator Lockout After Phone Reset

Nimra Malik Sep 28, 2026 869 views

Question details

The user is unable to sign in because Microsoft Authenticator requires approval from the very app they are trying to set up, creating a verification loop.

How to Fix Microsoft Authenticator Lockout After Phone Reset

Product: Microsoft Authenticator
Device & OS: not provided
Scenario: Reinstalling the Microsoft Authenticator app and attempting to sign in after performing a factory reset on a smartphone.
Observed behavior: A verification loop occurs where the sign-in approval prompt is sent to the authenticator app on the device that has just been reset, blocking successful access.

Before you start

Before proceeding, check if you previously saved a 25-character recovery code for your Microsoft account or if you have a secondary verification method (like SMS or an alternate email) already linked to your profile.

Solution 1Recommended

Use an Alternative Verification Method

Bypass the Authenticator app prompt by selecting a backup authentication method you previously set up, such as SMS or email.

If you added a phone number or secondary email address to your Microsoft account security info, you can request a code to be sent there instead of the Authenticator app.

Trigger the sign-in prompt

Enter your Microsoft account email and password on the login screen.

Select an alternative method

When prompted to approve the sign-in on your Authenticator app, click the 'Sign in another way' or 'I can't use my Microsoft Authenticator app right now' link.

Choose your backup option

Select the option to receive a verification code via SMS to your phone number or an email to your alternate address.

Enter the code

Retrieve the code sent to your backup method, enter it on the sign-in screen, and proceed to set up the Authenticator app.

Update Security Info: Once you regain access, ensure you keep at least two active verification methods on your account to prevent future lockouts.

Solution 2

Recover Account Using Authenticator Cloud Backup

Restore your account credentials directly within the Authenticator app if you previously enabled the Cloud Backup feature.

Solution 3

Request Administrator-Assisted Recovery

Resolve lockouts for work or school accounts by having your IT administrator reset your multi-factor authentication sessions.

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Frequently Asked Questions

Can I bypass Microsoft Authenticator if I didn't set up a backup method?

If you do not have an alternate email, phone number, or recovery code linked to your personal Microsoft account, you cannot bypass the Authenticator. You will need to submit a Microsoft Account Recovery form online and wait for their support team to review your case.

How can I prevent getting locked out of Authenticator in the future?

To prevent future lockouts, open the Microsoft Authenticator app, go to Settings, and enable 'Cloud Backup'. Additionally, always keep at least two secondary verification methods (like a phone number and an alternate email) active on your Microsoft account security page.

Why is Microsoft Authenticator asking me to approve a login on the same app?

This happens because the Microsoft security system recognizes that you are signing into the account associated with the app, but it does not realize the app has been reset and hasn't fully synced yet. You must use the 'Sign in another way' option to break the loop.

Where can I get advanced support for Microsoft Authenticator issues?

For highly specialized or complex MFA troubleshooting, you can post your issue on the official Microsoft Q&A forum using the 'Microsoft Authenticator' tag. Microsoft Community Support Specialists regularly monitor and respond to threads there.

Login & Account Issues