In this video tutorial from Microsoft, you will receive an overview on how to reset multi-factor authentication (MFA) in Microsoft Entra on a new device or if a device is lost, stolen, or a user changes their phone number.

Azure Active Directory is now Microsoft Entra ID, all other Azure Active Directory branded products are now “Microsoft Entra”. Any reference to Azure Active Directory within this video should be replaced with Microsoft Entra or Microsoft Entra ID as applicable.