[Samba] Problem rpc server is unavailable

[Rowland Penny]

On Thu, 29 Nov 2018 20:19:52 -0300
Epsilon Minus via samba <samba at lists.samba.org> wrote:

> Hello, excuse me for my English.
> 
> I have several samba installations in different places and in all of
> them I have the same problem. Therefore, something I am doing wrong or
> I understand wrong.
> 
> When I want to manage the share from Windows, it returns the error:
> "Rpc server is unavailable" and on the other hand in the edition of
> permissions (also from Windows) in advanced is the legend: "unable to
> contact active directory or verify claim types "
> 
> In the scenario that I have problem now is a Windows Server 2016 as DC
> and a Samba as Fileserver connected to the AD of course.
> 
> this is my smb.conf:
> 
> root at samba01:/srv/samba# cat /etc/samba/smb.conf
> [global]
> security = ADS
> workgroup = GRUPOBBC
> realm = LAN.GRUPOBBC.COM.AR
> 
> log file = /var/log/samba/%m.log
> log level = 1
> 
> idmap config * : backend = tdb
> idmap config * : range = 10000-999999
>     idmap config GRUPOBBC :backend = ad
>         idmap config GRUPOBBC :range = 10000-999999

The ranges should not overlap, yours are exactly the same.
There are required lines missing.
Try reading this:

https://wiki.samba.org/index.php/Setting_up_Samba_as_a_Domain_Member

Rowland