getting multiple domain-name dns request to work with microsoft windows xp dhcp clients

Glenn Satchell glenn.satchell at
Fri May 28 01:54:02 UTC 2010

Looks like you need dhcpd version 3.1.2 or later for this to work properly.

If domain-search is not listed in 'man dhcp-options', then your version 
does not support it.


On 05/28/10 11:42, Glenn Satchell wrote:
> Hi Jelle
> That's an invalid config that just happens to work for the Linux client
> and was a common workaround before there was a revision to the RFC to
> add a feature for setting the search list. The correct definition for
> option domain-name is a single domain. In this case the MS client is
> behaving correctly.
> I am assuming you wish to set the search path for dns queries. The way
> to do this is to use
> option domain-search domain-list;
> The domain-search option specifies a 'search list' of
> Domain Names to be used by the client to locate not-
> fully-qualified domain names. The difference between this
> option and historic use of the domain-name option for the
> same ends is that this option is encoded in RFC1035
> compressed labels on the wire. For example:
> option domain-search "", "",
> "";
> regards,
> -glenn
> On 05/28/10 05:31, Jelle de Jong wrote:
>> Hello everybody,
>> I have configured a nice dynamic dns with dhcpd system with bind9 and
>> dhcp3-server on debian gnu/linux, and it seemed to be working very well,
>> until I attached a Microsoft windows xp dhcp clients and the dns queries
>> where not the same as those of the linux clients.
>> option domain-name "";
>> I know Microsoft DNS can work, because if I manually set the DNS servers
>> it works, but manually setting every client is not workable solution for
>> me.
>> When debugging the bind9 dns request I can what goes wrong in the
>> request:
>> 27-May-2010 00:25:45.159 queries: info: client
>> query:\ IN A +
>> It seems the domain-name set by windows is received as one server with
>> spaces in it names instead of receiving two domain-names the client
>> should be using.
>> I tried some stuff I found at:
>> I can't get it to work. Can somebody help me out?
>> Thanks in advance,
>> With kind regards,
>> Jelle de Jong

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