Possible Cause: The machines are reachable from the ZENworks Server Management site server and therefore discovery can access them.
Action: If you want to prevent whole networks from being queried, set a discovery scope to avoid discovery finding out these machines. For more information, see "Changing the Discovery Scope" in "Understanding Network Discovery and Atlas Management" in the Novell ZENworks 6.5 Server Management Administration Guide.
If you want exclude certain machines from being discovered, use the SNMP No Access feature as described below: