most likely the MS update that occurred earlier this year that stops you form connecting as guest to a samba share. To see if that is the problem on a machine that will not provision click on start and do a \\kbox.your.url and see if a window opens or an error occurs.
By continuing to use this site and/or clicking the "Accept" button you are providing consent
Quest Software and its affiliates do NOT sell the Personal Data you provide to us either when you register on our
websites or when you do business with us. For more information about our
efforts, please visit