Cygwin resources:

• http://www.mdsh.com/notes/cygwinOnWindowsNT.jsp
• http://pigtail.net/LRP/printsrv/cygwin-sshd.html

If you’re attempting to ssh to a Cygwin box that is on a Windows domain and you get immediately logged out – e.g.:

Last login: Wed Jan  5 17:57:36 2005 from foo.somedomain.net
Fanfare!!!
You are successfully logged in to this server!!!
Connection to bar.somedomain.net closed. 

Then try these Cygwin-specific commands:

mkpassword -lc 
mkgroup -lc