Terribly sorry for my own mistake. I did not try export CYGWIN=ntsec chown SYSTEM ssh_host_*
Never thought it would have any difference. I was really not used to using Unix commands in a Windows environment and had not found how to change ownership to SYSTEM by Windows Explorer. Shy. Wu Yongwei P.S. However, is it better to provide more information how to set up sshd for users more accustomed to Windows? --- Original Message from "Corinna Vinschen" --- Did you check your passwd and group files, did you check the ownership of the host key files? -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Bug reporting: http://cygwin.com/bugs.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/