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Re: [Samba] Can't join Windows 10 to classic domain




Thanks very much for all the helpful info.
It does look like a setting has been changed to force Windows 10 to
only look for AD domains.
As a matter of interest, I rolled Windows 10 back to 1709, and have
encountered a different problem.  This time, it seems to let me join
the domain (I got the login box, and the welcome message saying that
the PC had joined the domain).  However, after that, certain actions
(such as opening the "add users" screen) seemed to slow down.  When I
tried to add a new domain user in Windows it came up with a message
saying it couldn't contact the domain.  It looks like 1709 is closer
to working, but I'm not sure what might be causing the problem with
adding users etc.  Is there a known fix for this?
If not, I'll need to look at going back to 1703.  From what you say,
that will work, but it's a question of when an update might come down
to the PC, and stop it working.  However, when you say that
"authentication thru netbios resolution seems to get grandfathered in
provided the domain is joined prior to the latest upgrade" do you mean
that if I connect a 1703 PC to the Samba NT4 domain, everything will
continue to work through the 1709 and 1803 updates?  I thought I'd
read something which indicated that this might not be the case.
I have a bunch of new Windows 10 PCs to install, so, as ever, I'm
under a bit of pressure to get things working!  I've not carried out a
Classic Upgrade of Samba before, nor seen a Samba AD, and it is a live
environment which requires minimal downtime or disruption.  A previous
Samba upgrade between major versions and to a different server and
operating system required me to carry out thorough planning and
testing to ensure things like trust relationships etc. didn't get
broken.  I suspect the Classic Upgrade might present a few problems,
especially as the documentation says it's not possible to rollback if
things don't work!  Perhaps the way forward is to look at setting up
the new machines with 1703, and then plan for a big upgrade of Samba.

On ‎30‎/‎05‎/‎2018 at 3:04 PM, "Marco Shmerykowsky PE via
samba"  wrote:The issue does not seem to be connected to SMB1.

It can be installed and it still won't authenticate.
Something has been changed to force authentication to
AD/DNS either solely or as a first step.  The translation
of the netbios name never happens even if the computer
can resolve the name.

Given that the authentication thru netbios resolution
seems to get grandfathered in provided the domain is
joined prior to the latest upgrade, it would seem there
is a tweak that can applied, but who knows.

On 5/30/2018 2:18 AM, L.P.H. van Belle via samba wrote:
> Yes, you correct, you wasted time on this..
> 
> Read also, this will give more insight.
>
https://support.microsoft.com/en-us/help/4034314/smbv1-is-not-installed-by-default-in-windows
> 
> Greetz,
> 
> Louis
> 
>   
> 
>> -----Oorspronkelijk bericht-----
>> Van: samba [mailto:samba-bounces@xxxxxxxxxxxxxxx] Namens
>> Marco Shmerykowsky PE via samba
>> Verzonden: dinsdag 29 mei 2018 19:12
>> Aan: samba@xxxxxxxxxxxxxxx
>> Onderwerp: Re: [Samba] Can't join Windows 10 to classic domain
>>
>> I wasted a bunch of time on this.
>>
>> Downlevel Windows 10 to version 1703.  It should work and
>> it seems to hold the connection once the next update takes
>> hold.
>>
>> Plan for updating the domain to AD as who knows what MS
>> will do next.  The 1703 connection could get broken in
>> the future.
>>
>>
>> On 5/29/2018 12:16 PM, samba1--- via samba wrote:
>>>
>>>
>>>  I've been running Samba 4 in NT4 Domain mode for a few
>> years, and
>>> it's been working fine with Windows 7 PCs.
>>>
>>>  I now need to join a new Windows 10 PC to the domain,
>> but I'm not
>>> having any success!
>>>
>>>  When I try to join the domain, the Windows 10 PC says "An Active
>>> Directory Domain Controller could not be contacted...."
>>>
>>>  I've tried a few things, including:-
>>>
>>>  Setting registry entries for:-
>>> DomainCompatibilityMode = 1
>>> DNSNameResolutionRequired = 0
>>>
>>>  Then:-
>>>
>> [HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindowsNetworkProv
>> iderHardenedPaths]
>>>
>> "\*netlogon"="RequireMutualAuthentication=0,RequireIntegrity
>> =0,RequirePrivacy=0"
>>>
>> [HKEY_LOCAL_MACHINESOFTWAREWow6432NodePoliciesMicrosoftWindows
>> NetworkProviderHardenedPaths]
>>>
>> "\*netlogon"="RequireMutualAuthentication=0,RequireIntegrity
>> =0,RequirePrivacy=0"
>>>
>>>  I've tried adding entries for the domain controller in hosts and
>>> lmhosts, and have also tried enabling NetBIOS over TCP/IP.
>>>
>>>  I've then tried forcing the Windows Client to use SMB1:-
>>>
>>>  sc config lanmanworkstation depend= bowser/mrxsmb10/nsi
>>> sc config mrxsmb20 start= disabledI also used the following
>> Powershell
>>> commands:-
>>> Get-WindowsOptionalFeature -Online -FeatureName
>>> SMB1ProtocolSet-SmbServer-Configuration -EnableSMB2Protocol $false
>>>
>>>  Running the status commands shows SMB1 to be enabled,
>> and SMB2 to be
>>> disabled.
>>>
>>>  Should it be possible to join a Windows 10 PC to a
>> Samba NT4 domain,
>>> and if so, what am I missing?
>>>
>>>  One thing I haven't tried is forcing Samba to "server
>> max protocol =
>>> NT1" - mainly because I'm worried it might cause problems
>> with all the
>>> existing Windows 7 clients, and also because of potential security
>>> risks.  I thought it might be 'safer' to force the Windows 10 PC
to
>>> use SMB1 rather change anything on the server.
>>>
>>>  Any help would be much appreciated!
>>>
>>
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> 
> 

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