An octet string that contains a string value and a DN.
|SDS Type||A COM object that can be cast to an IADsDNWithString.|
A value with this syntax has the following format:
S:<char count>:<string value>:<object DN>
where "<char count>" is the number of characters in the "<string value>" string, and "<object DN>" is a distinguished name of an object in Active Directory. Active Directory updates the DN if the object that it refers to is moved or renamed.