[Samba] NetBIOS Hostname

[Ryan Bair]

Definitely an OpenSUSE issue. That's a really terrible GUI design.

On Fri, May 30, 2008 at 3:48 PM, William W. Hammond <support at mbdsoft.com> wrote:
> At 12:14 PM 5/30/2008, John H Terpstra wrote:
>>
>> On Friday 30 May 2008 12:54:33 William W. Hammond wrote:
>> > I was setting up Samba on an OpenSuSE 10.3 i386 computer.
>> >
>> > At the last minute I decided to enter a NetBIOS Hostname, big mistake.
>> > A message popped up warning me that entering a NetBIOS Hostname would
>> > create a new UID and Clients may no longer be able to connect.
>> > The Message was correct....
>> >
>> > However, (Design Flaw) at that point there was no way for me to back out
>> > or
>> > cancel, so the deed was done.
>>
>> The issue is not whether or not Samba has a NetBIOS name, but rather that
>> a
>> change of the NetBIOS name will generate a new SID for the system.  If
>> that
>> system is a PDC, you will end up with a new Domain SID, and hence your
>> Windows clients will no longer belong to the same domain your PDC is now
>> in.
>>
>> > How or where do you remove or change that option...?
>>
>> You can find out the original domain SID from your Samba log files
>> in /var/log/samba.  Then reset the domain SID using:
>>        a) Stop Samba
>>        b) Execute: net setlocalsid "S-1-5-21-xxxxxxxx-xxxxxx-xxxxxxx"
>>        c) Restart Samba
>>
>> That should restore things so long as you have not messed around with
>> things
>> too much, in which case it would be easier to rejoin your Windows clients
>> to
>> the current Samba domain setup.
>
> Thanks, that is what I needed, goes in my "Tech Save" box...
> I still think I should have been able to opt out once I saw the warning,
> Is that a Samba Issue or an OpenSuSE YaST issue...?
>
>
>> PS: By default Samba finds the hostname of the system it is running on and
>> uses that to generate the machine SID (and the domain SID if it is a PDC).
>>
>> - John T.
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>
> Performance Technology Systems Design
>
> "Never Promise more than you can deliver...
> Always Deliver more than you promise.."
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