elrich wrote at about 08:38:40 -0800 on Tuesday, January 15, 2013:
 > "he problem (likely) is that ssh logs in as the SYSTEM (or equivalent)
 > user that doesn't have permission to run vss.exe. I get around that by
 > using a recursion script to escalate privileges via 'at'. I imagine
 > perhaps that winexe allows for direct launching of vss.ex. "
 > 
 > I created a windows user named backupPC who is in the administrator group 
 > and the ssh logs me as backupPC.
 > 
 > My teach wants us to use cygwin or some equivalent software, guess I'll have 
 > to use cygwin.
 > 
 > I'm kinda stuck right now.
 > 
 > I installed cygwin on my windows server. When using cygwin I'm atomatically 
 > logged in as backupPC (backupPC@serverName), which means that I'll appear as 
 > cyg_server which is a memeber of administrators.

Just because cyg_server is a member of administrators does not mean
that ssh login has that capability. You can try it yourself... try to
launch VSS from within a (remote) ssh shell login.

 > 
 > On my backupserver I tried to open an ssh tunel by doing this :
 > -log in as bakuppc user
 > - created rsa key in ~/.ssh/
 > - cat ~/.ssh/id_rsa.pub | ssh backupPC@windows_server_ip "cd .ssh && cat - 
 > >> ~/.ssh/authorized_keys"
 > - I then do a ssh manually : ssh bakcupPC@windows_server_ip
 > - I do this once again and I don't have to put in my password which means 
 > that the tunnel works right?
 > 
 > to be sure I tried a ssh -l backupPC@windows_server_ip which sais I was the 
 > user cyg_serv i think (though I log in as backupPC i guess it is normal to 
 > be loged in as cyg_serv since it is th user dealing with the ssh bridge?)
 > 
 > Yet when I try to backup my windows server I always get two errors depending 
 > on my modifications :
 > -> Got fatal error during xfer (Unable to read 4 bytes)
 > or :
 > -> Got fatal error during xfer (fileListReceive failed)
 > 
 > here's my configuration :
 > XFerMethod : rsync
 > RsyncShareName : /sygdrive/c/xdx (<--just to do my tests)
 > RsyncClientPath : /usr/bin/rsync  (<= I must be wrong but I didn't find a 
 > rsync.exe on my windows, just a something/bash_completion.d/rsync)
 > RsyncClientCmd : $sshPath -q -x -l backupPC $host $rsyncPath $argList+
 > RsyncClientRestoreCmd : $sshPath -q -x -l backupPC $host $rsyncPath $argList+
 > 
 > NmbLookupCmd : $nmbLookupPath -A $host
 > 
 > My error change if I modify backupPC by backuppc in RsyncClientCmd (backupPC 
 > being a user on my windows server and backuppc being the one created 
 > automatically on my backup server)
 > 
 > I'm sorry for my poor english
 > 
 > Thank you once again for helping me!
 > 
 > +----------------------------------------------------------------------
 > |This was sent by elrich.edward AT gmail DOT com via Backup Central.
 > |Forward SPAM to abuse AT backupcentral DOT com.
 > +----------------------------------------------------------------------
 > 
 > 
 > 
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