[Samba] Fileshare - how to enable Modify permission for an rwx-enabled file

Rowland Penny rpenny at samba.org
Fri Nov 16 10:28:55 UTC 2018

On Fri, 16 Nov 2018 10:03:08 +0100
"Mgr. Peter Tuharsky via samba" <samba at lists.samba.org> wrote:

> Hi,
> I'm searching the web for a while but cannot find an answer to this,
> even on Samba wiki, so please, does somebody have a clue, how to
> enable MODIFY access permission for a file that is located on Samba
> share?
> The fileserver is Samba, member of AD domain, local filesystem ext4,
> basic ACLs. The file has properly set rwx for users and groups needed,
> both for a file and for parent directory. However, for Windows 10 /
> Windows 2016, the file Properties - Security tab reports only Read &
> Execute, Read, Write, Special permissions rights for the said
> users/groups. The Modify permission is NOT SET. In effect, when the
> user opens the file in Office app, he gets "file is read only"
> warning. OTOH, user can create new files in directory.
> We haven't had such problem with samba 4.2 fileserver, member of NT4
> domain.
> Has the ACL translation model changed since? Or what might be a
> culprit? What should I do to make samba enable Modify permission for
> RWX-enabled files?

Have you read this wiki page:


It might also help if you post your smb.conf


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