[Samba] Runnung samba4 as classic domain controller, win7 thinks it is AD

Andrew Bartlett abartlet at samba.org
Sun Dec 7 01:00:36 MST 2014

On Sat, 2014-12-06 at 21:17 +0300, Michael Tokarev wrote:
> Hello.
> For may years we're running a classic (NT-style) domain with many
> machines (mostly windows7 these days).  Initially it was set up
> using samba3, and now we upgraded samba to samba4 (4.1.11), without
> introducing AD functionality (it is not needed).
> I especially asked in several places whenever samba4 supports NT-style
> domains, and got several positive answers.
> Now, we're trying to join a new machine to this domain.  And it fails
> with the following message (translated from russian, as it is a ru
> windows):
>  Unable to join to domain controller of Active Directory domain TLS.
>  Make sure that the name entered is correct.
>  Details:
>    Possible, domain name "TLS" is a NetBIOS-name of the domain.
>    Verify that the name is correctly registered in WINS.
>    If it is not a NetBIOS-name, the following information might
>    help to correct a problem in DNS configuration.
>    Error resolving SRV record _ldap._tcp.dc._msdcs.TLS, name does
>    not exists.
> Now I wonder if samba4 really supports classic NT4-style domains.

It really is still expected to, and no intentional changes have been
made to that.  I suspect a genuine netbios name resolution issue, rather
than something bigger. 

Andrew Bartlett
Andrew Bartlett                       http://samba.org/~abartlet/
Authentication Developer, Samba Team  http://samba.org
Samba Developer, Catalyst IT          http://catalyst.net.nz/services/samba

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