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

Rowland Penny rowlandpenny at googlemail.com
Sat Dec 6 11:47:52 MST 2014

On 06/12/14 18:17, 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.
> Previously it was eaily possible to join win7 machines to the
> domain, after a small registry tweak (DNSNameResolutionRequired=0
> and DomainCompatibilityMode=1 in Lanmanworkstation\Parameters).
> Now I always see the above when tryin to join.
> Any way to fix this, without reinstalling samba3, which requires
> basically re-creating the domain and re-joining all machines to
> it again, because samba3 is unable to open samba4 registry files?
> Thank you!
> /mjt

Any chance we can see your smb.conf ?


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