If you try to create a user in Oracle Access Manager (OAM) and hit error message like “You do not have sufficient rights” then ensure that you have created a “create user workflow” and user trying to create User Identity (new user via OAM) has access to execute this workflow.
You could use identity system application to create this workflow and use either Quick Start tool(explained in this post) or using Workflow Applet here
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1.Login to Identity System (/identity/oblix)
2. Select tab User Manager
3. Select tab Configuration
4. Select tab Workflow Definition
5. Click on Click Here link
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