Outlook address book setup
Setting up Outlook (2007) address book
Click on:
Tools
Account settings
Click the address book tab and click new.
choose Internet Directory service
In the server name filed enter 172.16.16.155 then click more settings ignore the popup block (click OK)
Choose the search tab. Select custom. Enter the search base as shown. Close and re-open Outlook for settings to take effect
Close out with OK's