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Re: [Samba] Change Netbios name during classicupgrade?

On 16/10/2017 18:18, Rowland Penny wrote:

'workgroup' is not the netbios name, it is the NetBIOS domain name.
The workgroup should also not have a dot in it, 'DOMAIN.LAN' looks
suspiciously like a dns and realm name.

Indeed i lacked of precision, purpose of the post was more "change NetBIOS domain name during clasicupgrade". DOMAIN.LAN is the previous NetBIOS domain name (I know about the dots, but it was not set by me at the time), and that's precisely what i try to change during the classic upgrade, for a new name (without dot), like "NEWDOMAIN"

> [global]
> >      netbios name = SRV-AD

Would 'srv-ad' be the hostname of the computer ?
Yes It would

Lets start with you posting the [global] part of the smb.conf before
you did anything.
Here's what looks like the smb.conf before I do anything (more complete this time):


    netbios name = AD

    workgroup = DOMAIN.LAN

    server string = Samba server domain.lan

    security = user

    passdb backend = ldapsam:"ldap:// ldap://";

    domain master = yes
    domain logons = yes
    admin users = "@Admin"
    ldap suffix = dc=domain.lan, dc=local
    ldap machine suffix = ou=hosts
    ldap user suffix = ou=users
    ldap group suffix = ou=groups
    ldap admin dn = "uid=sysadmin,ou=sysuers,dc=domain.lan,dc=local"
    obey pam restrictions = yes
    encrypt passwords = yes
    ldap password sync = yes

    logon path =

    ldapsam:trusted = yes

    wins support = yes
    dns proxy = no

>If it can help, I noticed that winbind was not
> installed on the server;
> > #systemctl status winbind
> winbind.service
>           Loaded: error (Reason: No such file or directory)
>           Active: inactive (dead)
Looks like you have fallen for the 'Debian nolonger installs winbind
when you install samba' feature. You need to install winbind manually.


winbind was not installed on the old Samba 3 server (running OpenSUSE), and i just wonder if it matters to install it for the classicupgrade purpose, otherwise I'll just reinstall it on the new Samba 4 server

Also I was pointing out that it was certainly SID related because each time I change workgroup, it just renew the domain SID;

Before I change anything:
# net getdomainsid
SID for local machine AD is: S-1-5-21-673913221-4242741474-1014044216
SID for domain DOMAIN.LAN is: S-1-5-21-1905493267-1041818301-753029000

After I change the workgroup:
# net getdomainsid
SID for local machine AD is: S-1-5-21-673913221-4242741474-1014044216
SID for domain NEWDOMAIN is: S-1-5-21-574297740-925364648-4230334621

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