io ho sempre fatto così invece.....
codice:DirectoryAttributeModification modifyUserPassword = new DirectoryAttributeModification(); modifyUserPassword.Operation = DirectoryAttributeOperation.Replace; modifyUserPassword.Name = "userPassword"; modifyUserPassword.Add("NUOVAPASSWORD"); ModifyRequest modifyRequest = new ModifyRequest("USERNAME", modifyUserPassword); DirectoryResponse response = connection.SendRequest(modifyRequest);