Thank you !! I make a try setting up a member server .
----- Original Message -----
From: "Miguel Medalha" <medalist at sapo.pt>
To: "Dante Colo" <dante.colo at stwbrasil.com>
Sent: Tuesday, September 12, 2017 3:37:09 PM
Subject: Fwd: Re: [Samba] SMB data transfer performance on AD mode
---------- Forwarded message ----------
From: medalist at sapo.ptMiguel Medalha
Date: 12 Sep 2017 19:30
Subject: Re: [Samba] SMB data transfer performance on AD mode
To: <samba at lists.samba.org>
Cc:
> Your problem probably comes from using the AD DC as a file server. The file
server should be separated, as recommended by the Samba team. I get close to
wire speed on dedicated member servers.
>
> With version 4.4.2, changes in behaviour for the "server signing"
and "client signing" parameters were introduced to address the Badlock
bug. Those changes can impact file transfer speed. Please read the following,
specifically the paragraphs relating to CVE-2016-2114 and CVE-2016-2115.
>
> https://www.samba.org/samba/history/samba-4.4.2.html