Here is a list of needed LDAP schema files for the different LAM modules. For OpenLDAP we also provide a source where you can get the files. 1. Unix accounts (modules posixAccount/shadowAccount/posixGroup) Schema: nis.schema Source: Part of OpenLDAP installation Suse Linux: Do not use the rfc2307bis.schema but nis.schema instead. 2. Address book entries (module inetOrgPerson) Schema: inetorgperson.schema Source: Part of OpenLDAP installation 3. Samba 2/3 accounts (modules sambaAccount/sambaSamAccount) Schema: samba.schema Source: Part of Samba tarball (examples/LDAP/samba.schema) 4. Quota (module quota) Schema: none 5. Kolab 2 users (module kolabUser) Schema: kolab2.schema, rfc2739.schema Source: Part of Kolab 2 installation 6. Mail routing (module inetLocalMailRecipient) Schema: misc.schema Source: Part of OpenLDAP installation 7. Mail aliases (module nisMailAlias) Schema: misc.schema Source: Part of OpenLDAP installation 8. MAC addresses (module ieee802device) Schema: nis.schema Source: Part of OpenLDAP installation 9. Simple Accounts (module account) Schema: cosine.schema Source: Part of OpenLDAP installation 10. SSH public keys (module ldapPublicKey) Schema: openssh-lpk.schema Source: Included in patch from http://www.opendarwin.org/en/projects/openssh-lpk/ 11. Group of (unique) names (modules groupOfNames/groupOfUniqueNames) These modules are only available in LAM Pro. Schema: core.schema Source: Part of OpenLDAP installation 12. DHCP (modules dhcp_settings, ddns, fixed_ip, range) Schema: dhcp.schema Source: http://kalamazoolinux.org/projects/awilliam/ldap.html The LDAP suffix should be set to your dhcpServer entry.