Issue:
Site Administrator 3.5.1 and previous versions.
SharePoint 2007
Web Farms report on Enterprise SharePoint node doesn't show any farms and servers.
The following is in QsSPDiscovery.log:
8/19/2009 9:31:32 AM (GMT-06:00) 5556 936 Saver thread started8/19/2009 9:31:32 AM (GMT-06:00) 5556 936 Worker thread failed, error 0x80004005, description: boost::bad_any_cast.8/19/2009 9:31:32 AM (GMT-06:00) 5556 936 Saver thread stopped
Resolution:
The issue is related to SharePoint farm configuration. It occurs if there is a server without any assigned SharePoint services.
To resolve either remove such servers using Central Administration or upgrade Site Administrator to 3.5.2 version.