How Block and Unblock Users for MFA Requests

In order to block and unblock users from receiving MFA Requests, please refer to the instructions below,

Note: A blocked user will not receive Multi-Factor Authentication requests. Authentication attempts for that user will be automatically denied. A user will remain blocked for 90 days from the time they are blocked. To manually unblock a user, click the “Unblock” action.

1. Go to Microsoft 365 admin center --> Click on “…Show all” button on the left bottom corner --> Scroll down and click on Azure Active Directory

OR you can directly login to the Azure AD portal

2. Now go to Azure Active Directory --> Security --> MFA -->  Block/Unblock users 

In order to Block Users:

Click on the “Add” button --> type in User and Reason --> Click Ok as shown in the image below

In order to Unblock Users:

Select the required user --> Click on the “Unblock” button as shown in the image below