Prevent a role from being delegated You can prevent roles from being delegated to users. About this task By default, the following roles cannot be delegated. admin public nobody role_delegator, a user with the role_delegator role cannot delegate this role to other group members Procedure Navigate to User Administration > Roles. Open the role. Configure the form to add the Grantable or Can delegate fields. Clear the check box for one or both of these fields. Click Update.