Here is a high-level description of how bronze level integration works for adding a new user. For an illustration see, Bronze Level Integration with Active Directory Services.
Provisioning:
Add the user to the authoritative source (Windows Active Directory Services).
Add the user to AE Services User Management database with the CT User flag set to yes. This will effect an update to the AE Services SDB.
Authentication:
A user attempts to log in (as a client of the TSAPI Service).
The user is authenticated against the Windows Active Directory Services based User Management.
User permissions are derived from the AE Services SDB.