samba PDC and Novell IntranetWare Client

Eloy A. Paris eparis at
Mon Nov 16 15:43:44 GMT 1998


I can confirm this: a NT workstation running IntranetWare Client
crashes when loging in into a Samba PDC. This happens when the Login
dialog box is the one provided by the IntranetWare Client (dialog box
that is very different than the standard one supplied by NT).

This used to work until around Sep. 21.

There is a workaround, though: change the value of:

NT\CurrentVersion\Winlogon\GinaDLL from NWGINA.DLL to MSGINA.DLL.
You'll get the standard Windows NT login dialog box.

Samba is definitely doing something different than a NT PDC.

I can get some tcpdumps. Anyone interested in them?


Dan Ardelean <dany at> wrote:
> I have a problem:
> With Samba 2.0.0 pre-alpha running on my Linux box.
> Samba is configured to run with "domain logons = yes" so it should act like a PDC.
> It really does - and i had no problem to login to my Samba domain from a normal NT workstation.
> The problem is that I have also a Novell Server on my network so I want to use the Novell Client for Windows NT
> After installing the Novell Client if I try to login to the Samba domain I get the dead blue screen telling me that 
> "Windows Logon Process Terminated Unexpectendly ... System Shutdown".
> But in the same conditions in I try to login to a domain which has a PDC running Windows NT Server ( not Samba ) it works.
> So, I think Samba does not behave exactlt like a Windows NT Server PDC.
> I did some search on the earlier messages in this list ( i'm kind of new here ... ) and what I found was:
>>Message-Id: <199808061104.NAA12069 at>
>>Date:   Thu, 6 Aug 1998 13:01:57 +0200 (GMT)
>>From:   louis.botha at
>>Subject: Novell IntraNetware Client & PDC crashes
>>To:     samba-ntdom at
>>Hello all,
>>We are in the unfortunate position that we are forced to use the
>>IntraNetware client from Novell. Don't ask why - it's a long story :) 
>>The client behaves rather strangely. From the samba logs it seems that
>>when a user logs into the domain, the authentication works, the user
>>registry is read and the files in the profile directories are read. 
>>The client then tries to execute an illegal instruction and the entire
>>NT box crashes. Oh joy. 
>>The client does not crash when I connect to a real NT PDC. If I
>>uninstall the Intranetware client, I can log in successfully using a
>>Samba PDC.
>>Does anyone have any idea why this might happen when I switch to a
>>Samba PDC?
>>Louis Botha                                Computer Science Department
>>louis.botha at                    University of Pretoria
>>Tel: +27-12-420-3617                       Pretoria
>>Cell: +27-82-924-4616                      South Africa 
>>Date:   Thu, 06 Aug 1998 10:21:09 -0500
>>From:   Dana Canfield <canfield at>
>>To:     louis.botha at, samba-ntdom at
>>Subject: Re: Novell IntraNetware Client & PDC crashes
>>I can't offer any help, but I can confirm that we have the same problem.
>>It is important to note that the Intranetware client *did* work back in the
>>May-ish CVS's, so something has changed in Samba. Jeremy has asked me for
>>a packet trace, but I don't have the right tools to do this from a thrid
>>machine, and I can't figure out how to do a packet trace from the client
>>machine, since it is the one that will crash. Maybe if you have a way of
>>doing this, you could send a trace to jeremy and they can fix it?
> So it seems that some other people experienced the same problem.
> Did you find any answears ?
> Thanks,
> Dan

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