WARNING systemmsg Module (Search Dispatcher) at fast.contoso.com:15102 is not responding
VERBOSE systemmsg The ping call resulted in the following exception: socket.error: [Errno 10061] Connection refused.
WARNING systemmsg Module (NodeControl) at fast.contoso.com:16015 is not responding
VERBOSE systemmsg The ping call resulted in the following exception: Timeout
Root Cause:
This problem can occur if the TCP/IP Offload Engine (TOE) is enabled on the FAST Search system. This is because IPSEC does not work correctly with this feature.
Solution:
To resolve this issue, disable TOE.
Ref:http://support.microsoft.com/kb/2570111
