Most enterprise conversations about Microsoft Entra stop at the obvious: single sign-on, multifactor authentication, Conditional Access, a handful of well-policed app registrations. Useful, mature, well understood. And almost entirely beside the point for what is about to happen inside every large organization. Buried in the Microsoft identity platform developer documentation sits one short section that quietly rewires what an AI agent can become inside an enterprise. It is not a new product. It does not have a launch event. It is a paragraph titled Incremental and dynamic user consent , and it is the most underrated capability in the Microsoft Entra surface area for the agentic era. A 30-second consent primer Microsoft Entra exposes three broad consent shapes, all covered in the same developer consent guide : Static consent. Every permission an application could ever need is declared up front in the app registration.…