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, rfc2307bis.schema Source: Part of OpenLDAP installation The rfc2307bis.schema is only supported by LAM Pro. Use the nis.schema if you do not want to upgrade to LAM Pro. 2. Address book entries (module inetOrgPerson) Schema: inetorgperson.schema Source: Part of OpenLDAP installation 3. Samba 3 accounts (modules 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://code.google.com/p/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. phpGroupWare (modules phpGroupwareUser, phpGroupwareGroup) Schema: phpgroupware.schema Source: http://www.phpgroupware.org/ 13. DHCP (modules dhcp_settings, ddns, fixed_ip, range) Schema: dhcp.schema Source: docs/schema/dhcp.schema The LDAP suffix should be set to your dhcpServer entry.