--On Thursday, January 30, 2020 2:34 PM +0530 Vijay Kumar
In the future, do not cross post to multiple lists. You were already told
specifically to address your questions to email@example.com.
supportedLDAPVersion tracks the LDAP version (LDAP version 3), it does not
track the underlying version of OpenLDAP.
However, if you enable the monitor backend (See the man page for
slapd-monitor(5)), the OpenLDAP version is contained in the monitoredInfo
ldapsearch -x -LLL -H ldap:/// -s base -b cn=monitor monitoredInfo
monitoredInfo: OpenLDAP: slapd 2.4.48 (Jan 29 2020 19:43:07)
This of course requires that your program have permission to read from that
Packaged, certified, and supported LDAP solutions powered by OpenLDAP: