mount -t cifs //server/share/directory /mnt/directory -o credentials=/path/to/cifs.credentials --verbose

mount.cifs kernel mount options: ip=<IP of server>,unc=\server share,user=<username>,prefixpath=directory,pass=********
mount error(2): No such file or directory
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

mount -t cifs //server/share/directory /mnt/directory -o credentials=/path/to/cifs.credentials --verbose

mount -t cifs //server/share /mnt/directory -o credentials=/path/to/cifs.credentials,prefixpath=directory --verbose