Introduction:

When you send a verification request to someone's Microsoft Authenticator app, you may see an error message in MSP Process saying that the user has a different "Preferred Auth Method" specified. In this situation, the user will not receive your verification request.

The goal of this KB article is to show you where in M365 you can go to modify a user's preferred authentication method.

Example of the Error:

Steps to resolving the Error:

1. Login to the Microsoft Entra admin center (https://entra.microsoft.com/?l=en.en-us) as a user who has the rights need to modify someone's identity in Entra
2. Navigate to Protection -> Authentication methods
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3. Under the Monitoring section, click on User Registration Details
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4. Click on the user who's preferred authentication method you want to modify
5. In the MFA Status card, click on Manage MFA Authentication methods
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6. Click on the pencil icon that allows you do edit the Default sign-in method
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7. Choose Microsoft Authenticator from the drop-down menu
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8. Click the Save button, and you're done!