robert sweetnam sgjavsweetnameu nick murtagh wrote robert sweetnam wrote need use cifs server windows2003 xp vista workstation shares windows 2003 r2 server mounted ubuntu 606lts box using smbfs think incorrect im pretty certain ubuntu 606 fedora 7 ad authentication wouldnt work unless specified cifs instead smbfs heres happens using smbfs ubuntu connecting win2003 mount smbfs usernamexxxxx adpdcinstalls ntmount cli_negprot smb signing mandatory disabled 12231 protocol negotiation failed smb connection failed cheers robert thu 07 aug 2008 130606 0000 ilug mounting windows shares linux