Resetting a user blocked by a login authenticator app typically requires an administrator to revoke the user's current Multi-Factor Authentication (MFA) device in the admin panel. This forces the user to re-register their app upon the next login.
[1, 2, 3, 4]
Here are the specific steps for major platforms as of 2026.
Admins can unblock users through the Azure portal or Entra ID center:
- Sign in to the Microsoft Entra admin center.
- Navigate to Users > All users.
- Select the user who is blocked.
- Select Authentication methods.
- Click Require re-register multifactor authentication.
https://www.youtube.com/watch?v=iA_tos0XzXw
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Dr. Atul G. - Learn N Grow Together
ServiceNow Techno - Functional Trainer
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