Hi everyone archlinux Release: 2014.06.01 using the information on https://wiki.archlinux.org/index.php/Samba_4_Active_Directory_Domain_Control... to install my Active Directory Domain Controller :- samba-tool domain provision --use-rfc2307 --interactive --use-xattrs=yes Realm [LOCALDOMAIN]: sat.co.uk Domain [sat]: Server Role (dc, member, standalone) [dc]: DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE) [SAMBA_INTERNAL]: DNS forwarder IP address (write 'none' to disable forwarding) [10.4.1.2]: Administrator password: Retype password: which gives me the following error output :- ERROR(<class 'samba.provision.ProvisioningError'>): Provision failed - ProvisioningError: Your filesystem or build does not support posix ACLs, which s3fs requires. Try the mounting the filesystem with the 'acl' option. File "/usr/lib/python2.7/site-packages/samba/netcmd/domain.py", line 398, in run use_rfc2307=use_rfc2307, skip_sysvolacl=False) File "/usr/lib/python2.7/site-packages/samba/provision/__init__.py", line 2052, in provision raise ProvisioningError("Your filesystem or build does not support posix ACLs, which s3fs requires. Try the mounting the filesystem with the 'acl' option."). this my fstab file. cat /etc/fstab # /dev/sda1 UUID=6d501e92-b7be-4885-b6ce-4facd647623e / ext4 rw,relatime,data=ordered,user_xattr,acl,barrier=1 0 1 # /dev/sda2 UUID=fa951f67-d09c-412e-8d8a-07020863e3f0 /home ext4 rw,relatime,data=ordered,user_xattr,acl,barrier=1 0 2 and this is the test i did to confirm my acl was working. tune2fs -l /dev/sda1 | grep "Default mount options:" Default mount options: user_xattr acl tune2fs -l /dev/sda2 | grep "Default mount options:" Default mount options: user_xattr acl ------- can anyone provide me with an solution to my problem. thanks shadrock