Sun Java System Calendar Server 6.3 Administration Guide

14.4.3 To Add the Mail Attribute to Existing User, Group and Resource LDAP Entries for Calendar Server Version 6.3

If you are converting existing LDAP entries to calendar enabled entries, you must add the mail attribute to each user, group and resource LDAP entry that does not contain it.

To add the mail attribute to existing users, groups and resources, use one of the following methods: