Sun Java System Communications Services 6 2005Q4 Schema Migration Guide

Schema 1

Messaging Server 5.x and Calendar Server 5.x installations use Schema 1.

The Directory Information Tree (DIT) organizes LDAP entries in a tree structure with nodes representing domains, subdomains, users, groups, and resources.

Schema 1 generally uses a two-tree structure:

Messaging and Calendar servers look up entries by accessing domain information in the DC Tree and using that information to find the appropriate entries in the Organization Tree.