They are not returned in search results.
The information contained in the LDAP operational attributes are read-only. The IDM engine cannot modify the attribute values. All of these operational attributes are not available in IDM drivers. Adding them manually in the XML document will not return a value.
For information on these attributes see documentation found here:https://www.novell.com/documentation/developer/ndslib/pdfdoc/schm_enu/schm_enu.pdf
Section: 7 LDAP Operational Attributes 947 7LDAP Operational Attributes
Below is a list of some common LDAP operational attributes that cannot be accessed.