[Samba] Dual booted clients with different name drop each other out of domain

Roman Muñoz tatel at infonegocio.com
Sun Jan 31 06:40:30 MST 2010

Thanks for your answers.

Probably it would be not very difficult to change the MAC address. This 
has the advantage that could work even if IT staff doesn't want to do 
any change in their dhcpd configuration.

On the other hand, it seems that reconfiguring dhcpd would be a nicer 
solution that could perhaps be accepted by IT staff. However the pointer 
given seems to be about linux dhcpd, not about windows dhcpd. After some 
googling I got the windows doc about vendor classes, but I wonder by 
just changing host's name is not enough.

Could you guys give any pointer to dual boot problem between windows OSes?

Thanks again,

Rob Townley(e)k dio:
> changing the MAC is not recommended.
> Same problem with dual booted win2k/winxp/winvista machines as well.
> Not just a Linux issue.
> Do u have control / influence over dhcpd?  if so, Linux clients and
> MSFT clients can be detected by their dhcp vendor id and then given a
> different hostname and ip address even though the MAC IS THE SAME.
> drbl.sf.net has a good example of using dhcp vendor id when assigning
> an ip configuration.
> look at /etc/dhcp/dhcpd.conf
> report back and let us know.
> On 1/30/10, Roman Muñoz <tatel at infonegocio.com> wrote:
>> Hi,
>> I'm setting some Ubuntu Karmic clients on a school net. PDC is windows
>> 2k3 r2. I realized that DHCP server sends only "school", not
>> "school.net" as domain name. I have been told that AD configuration was
>> migrated "as is" from an older windows release. I used a "supersede"
>> line on client's dhcp.conf to get a correct domain name. I'm not
>> authorized to do any configuration change on PDC but could see the event
>> log, etc.
>> Client machines are dual booted: XP client and Ubuntu client on the same
>> machine get different unique names. Ubuntu clients are configured
>> following the guides available on the Net, and are working quite well:
>> domain users can logon and shares are mounted.
>> But XP and Ubuntu keep dropping each other out of domain. Any ideas?
>> TIA
>> Roman
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