Microsoft Entra ID

Microsoft Entra ID is a cloud-based identity and access management platform that is commonly used by companies to access external resources, such as Microsoft 365, or internal resources, such as on-prem applications.

Entra ID can manage:

Capability
Purpose

User Accounts

Employee and guest identities

Authentication

User login and verification

Single Sign-On

Single login for multiple applications

Conditional Access

Establish rules for logins

Device Identity

Enrolling/Managing corporate devices

Role-Based Access Control

Assigning Permissions

Entra ID vs On-Prem Active Directory

The biggest difference between Entra ID and On-Prem AD are domain controllers. While both Entra ID and On-Prem AD allow for identity and access management, Entra ID does not require domain controllers to function.

However, if you do want to leverage domain controllers as a service, Azure Active Directory Domain Services is what you're looking for.

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