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Identity: Microsoft Entra ID

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Microsoft Entra ID (formerly Azure AD)

Entra ID is Microsoft’s cloud-based identity and access management service. It is different from traditional Windows Server Active Directory.

  • Tenant: A dedicated instance of Entra ID that an organization receives when it signs up for a Microsoft cloud service (like Azure or Office 365).
  • Subscription: A logical container used to provision resources. It is the boundary for billing. You pay for what is in the subscription.
  • Hierarchy: Management Groups -> Subscriptions -> Resource Groups -> Resources. You can apply policies and access controls at any level, and they inherit down.