You use Forefront Identity Manager (FIM) 2010 in your company network. The fullName attribute is used to generate a unique logon name for each user by using a FIM Workflow activity. Before users objects are created in the metaverse, the FIM environment performs a collision check to confirm whether a unique fullName attribute exists. You discover that users having duplicate fullName attributes are not being created. You need to find out the cause of the issue. What should you do?

A.
Review expected rule entries.

B.
Review declarative provisioning rules.

C.
Examine custom action workflow activities.

D.
Examine the Management Agent responsible for connecting the data sources that contain the duplicate user objects during inbound synchronization.