You can only exclude one group from system-preferred MFA, which can be a dynamic or nested group.Ī single entity that is included in this feature. PropertyĪ single entity that is excluded from this feature. After generally availability, the Microsoft managed state default value will change to enable system-preferred MFA. Authentication method feature configuration propertiesīy default, system-preferred MFA is Microsoft managed and disabled during preview. To enable system-preferred MFA in advance, you need to choose a single target group for the schema configuration, as shown in the Request example. We highly recommend enabling system-preferred MFA in the near term for improved sign-in security. System-preferred MFA is a key security upgrade to traditional second factor notifications. Users don't need to set any authentication method as their default because the system always determines and presents the most secure method they registered. Sometime after general availability, the Microsoft managed state for system-preferred MFA will change to enabled.Īfter system-preferred MFA is enabled, the authentication system does all the work. If you want to turn it on for all users or a group of users during preview, you need to explicitly change the Microsoft managed state to enabled by using Microsoft Graph API. For preview, the default state is disabled. System-preferred MFA is a Microsoft managed setting, which is a tristate policy. The user can still choose to sign in by using another method, but they're first prompted to try the most secure method they registered. Administrators can enable system-preferred MFA to improve sign-in security and discourage less secure sign-in methods like SMS.įor example, if a user registered both SMS and Microsoft Authenticator push notifications as methods for MFA, system-preferred MFA prompts the user to sign in by using the more secure push notification method.
System-preferred multifactor authentication (MFA) prompts users to sign in by using the most secure method they registered.
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