An administrative unit is a Microsoft Entra resource that can be a container for other Microsoft Entra resources.
An administrative unit can contain only users, groups, or devices.
Here are some of the constraints for administrative units.
Administrative units can't be nested.
Administrative units are currently not available in Microsoft Entra ID Governance.
Privileged Role Administrator, you can use the Microsoft Entra admin center to:
Create administrative units
Add users, groups, or devices as members of administrative units
Manage users or devices for an administrative unit with rules for dynamic membership groups
Assign IT staff to administrative unit-scoped administrator roles.
Create administrative unit
Verify the permission whether it is at the directory/tenant level or the administrative unit level
Administrative units in Microsoft Entra ID
Create or delete administrative units
Add users, groups, or devices to an administrative unit
Manage users or devices for an administrative unit with rules for dynamic membership groups
Manage rules for dynamic membership groups in Microsoft Entra ID