If you want operational attributes returned as a result of a search operation, you must explicitly specify them in the search command.
$ ldapsearch -h myServer -p 5201 -D cn=admin,cn=Administrators,cn=config -w - "(objectclass=*)" aci
To retrieve regular attributes in addition to explicitly specified operational attributes, specify “*” in addition to the operational attributes. For example:
$ ldapsearch -h myServer -p 5201 -D cn=admin,cn=Administrators,cn=config -w - "(objectclass=*)" aci *