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Domain Discovery Application Development (Windows Embedded CE 6.0)

1/6/2010

Windows Embedded 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.

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 Embedded CE supports looking up NetBios Domain names only if the redir component is included as part of the Operaing System. If redir is not included, only the domain names that are specified as fully qualified domain names can be queried. 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 Embedded CE does not support caching of domain controller queries.

See Also

Other Resources

Domain Discovery
Domain Discovery Reference