LDAP Support required

i am using OPENfire server on wind2003 server, using LDAP conenctror for data base, i am unable to search name ( usernae,email,etc) when user spark but on same server i am able to find with EXODUS client.

SERVER ===> EXODUS clinet ==> search is working fine, i am able to got name in search

on same SERVER ==> spark clinet ==> enable to search name or contract to add in chat.

Please help.

Amit kumar