Changes to the registration campaign feature in Microsoft Entra (previously Azure Active Directory)
Updated September 18, 2023: Deployment will begin September 25th and will run to October 20th. These dates replace the dates mentioned in the email “We’re enabling a stronger form of multifactor authentication beginning September 15, 2023” that you might have received. We apologize for the inconvenience.
Publicly switched telephone networks (PSTN) such as SMS and voice authentication are the weakest forms of MFA. To help your users move away from these less secure MFA methods we are introducing changes to the Microsoft managed state of the registration campaign (aka Nudge) feature in Microsoft Entra (previously Azure Active Directory).


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