[Samba] replace winbind with ldap

[vishesh kumar]

dear all
           Currently i am using samba 3.0.28 with windbind on rhel5.2. Our
network consist almost 200 users and window 2003 active directory which
holds domain data. Now i want to replace active directory with openldap. I
want to know is there any tool that help to migrate Active Directory data to
openldap ?

thanks