App Registration Entra is a Microsoft Entra application object that defines an app identity, redirect URIs, permissions, and OAuth/OpenID Connect settings.
Simple definition
App Registration Entra is a Microsoft Entra application object that defines an app identity, redirect URIs, permissions, and OAuth/OpenID Connect settings. It belongs to the Microsoft 365 / Entra / Intune vocabulary and is useful when reading architecture diagrams, product documentation, logs, or administration procedures.
What is it used for?
Its main purpose is to register an application so it can request tokens, call APIs, or authenticate users. The practical value depends on the surrounding architecture, security model, and operational requirements.
How does it work?
The App Registration holds the global application definition. When used in a tenant, a service principal can represent its local instance and associated consent.
Key points
- Scope: A Microsoft Entra application object that defines an app identity, redirect URIs, permissions, and OAuth/OpenID Connect settings.
- Operational goal: Register an application so it can request tokens, call APIs, or authenticate users.
- Implementation: The App Registration holds the global application definition. When used in a tenant, a service principal can represent its local instance and associated consent.
Points to watch
Protect secrets/certificates, minimize API permissions, and control redirect URIs; an overprivileged app is a major risk.
In short
App Registration Entra = a Microsoft Entra application object that defines an app identity, redirect URIs, permissions, and OAuth/OpenID Connect settings. Use it when you need to register an application so it can request tokens, call APIs, or authenticate users.