2.2.4.2.2 ActiveDirectoryPrincipal/SID

The SID element specifies the object security identifier (SID) on the principal specified by the ActiveDirectoryPrincipal or ActiveDirectoryGroup directory object. The SID is encoded in base64Binary format ([XMLSCHEMA2] section 3.2.16).

 <xs:element name="SID" nillable="true" type="xs:base64Binary" />