Data Flow in Address Book Server
Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.
Figure 39 shows how data flows in Address Book Server.
Figure 39. Data flow in Address Book Server (ABS)