How to Create roles / Assign and De-Assign users/ Groups to roles in EM 11g?

Go to Enterprise Manager --> Business Intelligence --> Core Application --> Under security tab, go to Configure and manage Application Roles.

You will see a list of application roles, cilck on role name to sort the list out.  Find the role you are looking for, click on the role to open it.  Once you are inside the role, it will show you list of users and groups that these role is assigned to.  You can remove from here.

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