On 03/06/2019 16:09, adam_xu at adagene.com.cn wrote: > Hi Rowland, > > Yes. all users primary group is "domain users". > > my "domain admins" has a gidNumber. > Have you followed this: https://wiki.samba.org/index.php/Setting_up_a_Share_Using_Windows_ACLs Is DNS setup correctly ? and is it working ? Rowland