which, iiuc, simply launches slapd. so, per your comment, *specifically* which 'client' is failing to use the StartTLS?
The ones in the log you posted:
Aug 22 11:02:47 ldap slapd[31441]: slapd starting Aug 22 11:02:48 ldap slapd[31441]: conn=0 fd=12 ACCEPT from IP=192.168.1.17:42320 (IP=192.168.1.17:389)
--Quanah
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Quanah Gibson-Mount Principal Software Engineer Zimbra, Inc -------------------- Zimbra :: the leader in open source messaging and collaboration