Permissions on SSH
domain\joedoe user... set on both servers ("administrators" group)
domain\joedoe user..."full control" C:\cygwin64folder
joedoe@server1 ~
$ ssh -l joedoe server1 'date'
joedoe@server1's password:
Permission denied, please try again.
joedoe@server1's password:
Permission denied, please try again.
joedoe@server1's password:
Permission denied (publickey,password,keyboard-interactive).
joedoe@server1 ~
$ ssh -l joedoe server2 'date'
joedoe@server2's password:
Tue Aug 11 13:08:51 CDT 2015