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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 “Default Sign-in Method” specified. In this situation, the user will not receive your verification request as a push notification in their Microsoft Authenticator app. The goal of this KB article is to show you where in M365 you can go to modify a user’s default sign-in method.

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
  7. Choose Microsoft Authenticator from the drop-down menu
  8. Click the Save button, and you’re done!