Configure Secure Only dynamic DNS updates

In order to configure Secure Only dynamic DNS updates, administrators must
Click Properties in DNS Manager
  1. Open DNS Manager. (To open DNS Manager console, click Start, select Administrative Tools menu, and then click DNS.)
  2. In the console tree in the left,  right-click the applicable zone , and then click Properties.
  3. On the General tab, verify that the zone type is Active Directory-integrated.
    Note : Secure dynamic update is supported only for AD DS-integrated zones. If the zone type is configured differently, you must change the zone type and directory-integrate the zone before securing it for DNS dynamic updates.
  4. In Dynamic Updates, click secure only.
    Secure Dynamic Updates