Anatoly, thanks a lot for the links. None of them had the direct answer, but at least they offered me some hints.

>Javier, check if these code samples help
>
>How to enumerate sessions and processes on a specified terminal server
>http://www.news2news.com/vfp/?example=519
>
>WTS_SESSION_INFO returned by WTSEnumerateSessions call contains name of the WinStation for each session.
>
>See also:
>
>How to enumerate terminal servers within the specified Windows domain
>http://www.news2news.com/vfp/?example=520
>
>The list of servers of the specified type in the primary domain
>http://www.news2news.com/vfp/?example=165
>
>Using Winsock API calls, a network resource name can be resolved to ip address
>Retrieving information from a host database for a given host name
>http://www.news2news.com/vfp/?example=216