title: Constraint violation (19) error in Active directory
body: <p>When i m adding user oject in ldap, i m getting error of constraint voilation(19). I know the reason of problem. The problem is there are 'userprincipalname' and 'sAMAccountName' atrributes value already exist in ldap in same organization unit of same domain.</p>
  
  <p>I want to know, is there any possibility to add duplicate value in user object in ldap?</p>