https://books.google.nl/books?id=CY98qQNHOl4C&pg=PA309&lpg=PA309&dq=ADSI+APIs+edirectory&source=bl&ots=4VZPwDt7yl&sig=ACfU3U04-Fix729cbVfEwJCi78jyA2LIvA&hl=en&sa=X&ved=2ahUKEwjS9vDKybbgAhUHTBUIHf1ZAKoQ6AEwAHoECAsQAQ#v=onepage&q&f=false
