Sorry to bother you. It turned out that I have 3 network interface on my computer,
and RPC selected the one that is not configured. After I disable the interface, everything goes well. A foolish problem puzzled me about 2 days Yorkwar -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/