Exploring DSAccess, DSProxy, and the Categorizer
The relationship that Exchange Server 2003 has with Active Directory is complex and often misunderstood. Because the directory is no longer local, special services were written for Exchange to access and process information in AD. Understanding how these systems work is critical for understanding how Exchange interacts with AD.
DSAccess is one of the most critical services for Exchange Server 2003. DSAccess, via the dsacccess.dll file, is used to discover current Active Directory topology and direct Exchange to various AD components. DSAccess dynamically produces a list of published AD domain controllers and Global Catalog servers and directs Exchange resources to the appropriate ...