Azure Active Directory Features by Tier

A limited set of Azure Active Directory (AAD) features are free, while Premium P1 and Premium P2 require User Subscription Licenses (User SLs) for administrators and all users benefitting from the features in a given tier. AAD is a scalable, multitenant, Microsoft-hosted directory and identity provider service that has four tiers of service, including the basic level of AAD capabilities included with Office 365 User SLs.

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