What is Azure Active Directory?

By Avery from AzureGuru
Published in AZ-900 Training
January 03, 2021
1 min read
*This article could be a summary of content for learning purposes. For more information and knowledge, read the original articles in the References section.

Azure Active Directory (Azure AD) provides identity services that enable your users to sign in and access both Microsoft cloud applications and cloud applications that you develop. Azure AD is Microsoft’s cloud-based identity and access management service. With Azure AD, you control the identity accounts, but Microsoft ensures that the service is available globally. When you connect Active Directory with Azure AD, Microsoft can help protect you by detecting suspicious sign-in attempts at no extra cost. For example, Azure AD can detect sign-in attempts from unexpected locations or unknown devices.

Azure AD is for:

  • IT administrators: Administrators can use Azure AD to control access to applications and resources based on their business requirements.
  • App developers: Developers can use Azure AD to provide a standards-based approach for adding functionality to applications that they build, such as adding SSO functionality to an app or enabling an app to work with a user’s existing credentials.
  • Users: Users can manage their identities. For example, self-service password reset enables users to change or reset their password with no involvement from an IT administrator or help desk.
  • Online service subscribers: Microsoft 365, Microsoft Office 365, Azure, and Microsoft Dynamics CRM Online subscribers are already using Azure AD.

Azure AD provides services such as:

  • Authentication: This includes verifying identity to access applications and resources. It also includes providing functionality such as self-service password reset, multifactor authentication, a custom list of banned passwords, and smart lockout services.
  • Single sign-on: SSO enables you to remember only one username and one password to access multiple applications. A single identity is tied to a user, which simplifies the security model. As users change roles or leave an organization, access modifications are tied to that identity, which greatly reduces the effort needed to change or disable accounts.
  • Application management: You can manage your cloud and on-premises apps by using Azure AD. Features like Application Proxy, SaaS apps, the My Apps portal (also called the access panel), and single-sign on provide a better user experience.
  • Device management: Along with accounts for individual people, Azure AD supports the registration of devices. Registration enables devices to be managed through tools like Microsoft Intune. It also allows for device-based conditional access policies to restrict access attempts to only those coming from known devices, regardless of the requesting user account.


  • What is Azure Active Directory?



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