Active Directory
In Microsoft's Active Directory the DSA is a collection of servers and daemon processes that run on Windows 2000 Server systems that provide various means for clients to access the Active Directory data store.
Clients connect to an Active Directory DSA using various communications protocols:
- LDAP version 3.0 — used by Windows 2000 and Windows XP clients
- LDAP version 2.0
- Security Account Manager (SAM) interface — used by Windows NT clients
- MAPI RPC interface — used by Microsoft Exchange Server and other MAPI clients
- A proprietary RPC interface — used by Active Directory DSAs to communicate with one another and replicate data amongst themselves
Read more about this topic: Directory System Agent
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