Microsoft Entra ID
Microsoft's cloud identity service — formerly Azure Active Directory — that authenticates every Dynamics 365 user.
Microsoft Entra ID is Microsoft's cloud identity service — the rebrand of Azure Active Directory (Azure AD) announced in 2023. Every Dynamics 365 user signs in through Entra ID, regardless of which Dynamics 365 product they use. Entra also authenticates service-to-service API calls between integrations and Dynamics 365 via app registrations with delegated or application permissions. Tenant-level identity policies — MFA, Conditional Access (block risky sign-ins, restrict by location, require compliant devices), and named locations — apply automatically to Dynamics 365 access. Modern Dynamics 365 security relies on Entra; protecting Entra is protecting the platform.