Plan a property extension configuration
The Property Extension, formerly known as the lookaside database, allows you to store additional user attributes into a database store without touching your backend user registry. Use the Property Extension if your LDAP is read-only but you have a requirement that allows users to specify an additional attribute such as Timezone. You can store this additional attribute in the database store. You can also add additional attributes for an application if you cannot change your repository schema.
A property extension is required when using the following IBM Lotus WCM features:
Parent topic
Planning your user registry