Password for USER@//ADDRESS/Users_S$/USER/:  ****
mount.cifs kernel mount options:   ip=XXX.XXX.XXX.XXX,unc=\ADDRESS,noauto,uid=1000,gid=1000,user=USER,prefixpath=USER/,pass=****
mount error(95): Operation not supported
Refer to the mount.cifs(8) manual page (e.g. man mount.cifs)

Password for USER@//ADDRESS/Users_S$/USER/: ****
mount.cifs kernel mount options: ip=XXX.XXX.XXX.XXX,unc=\ADDRESS,noauto,uid=223159,gid=10513,user=USER,prefixpath=USER/,pass=****

//ADDRESS/Users_S$/USER/     /HOME/p-drive      cifs    noauto,users,user=USER,uid=USER,rw     0       0

Linux XXXX 4.4.0-97-generic #120~14.04.1-Ubuntu SMP Wed Sep 20 15:53:13 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

6.0

-rwsr-xr-x 1 root root 35K Jun 27  2013 /sbin/mount.cifs

//ADDRESS/Users_S$/USER/           /HOME/p-drive       cifs    noauto,users,user=USER,uid=LOCAL_USER,rw      0       0

Linux 4.13.0-1-amd64 #1 SMP Debian 4.13.4-2 (2017-10-15) x86_64 GNU/Linux

6.7

-rwsr-xr-x 1 root root 35K Mar  8  2017 /sbin/mount.cifs