1. To delete a global administrator, use the delete-topology-admin-user option with dsconfig.
    $ bin/dsconfig delete-topology-admin-user --user-name admin2
  2. To verify the deletion of the global administrator, use the list-topology-admin-users option with dsconfig.
    $ bin/dsconfig list-topology-admin-users
    Topology Admin User : Type
    ____________________:______
    admin               : generic