Domain Discovery Application Development (Windows CE 5.0)
Windows CE supports a set of directory service (DS) functions. These functions provide a mechanism for locating a domain controller (DC) in a Windows NT®, Windows® 2000, or Windows ® 2003 domain. The domain discovery architecture interacts with clients as well as with servers in all versions of Windows NT, Windows 2000, and Windows 2003. The following functions enable developers to configure the domain controller and domain membership in the directory service.
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Note Windows CE-based devices cannot discover Windows NT®-based domains.
Each DC registers its Domain Name System (DNS) name on the DNS server and its NetBIOS name by using a transport-specific mechanism. For example, a DC can use Windows Internet Name Service (WINS) to register the NetBIOS name of a DNS server on the network. The DC locator looks up the name, then sends a datagram to, or "pings," the DC that registered the name. For NetBIOS domain names, the datagram is a mailslot message.
Windows CE does not support looking up NetBios domain names. For DNS domain names, the datagram is a Lightweight Directory Access Protocol (LDAP) User Datagram Protocol (UDP) search. Each such DC responds by indicating that it is currently operational. The first DC to respond is returned to the caller.
Note Windows CE does not support caching of domain controller queries.
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