vista, dns woes ?

William J. Marko wmarko at d.umn.edu
Tue Jun 5 22:10:08 UTC 2007


James Clark Calloway wrote:
> At first we assumed that VISTA was holding on
> to DNS servers or some such .. but it seems
> that with the DHCPINFORM the server gives out
> the wrong set.
>
>
> On Tue, 5 Jun 2007, James Clark Calloway wrote:
>
>   
>> Hi Folks,
>>
>> Has anyone had any problem regarding VISTA and DNS servers ? Our dhcp
>> configuration is set up so that unregistered (unknown) clients get dns
>> servers that resolve only to our registration system. We've done it this
>> way for years with few problems.
>>
>> VISTA sometimes throws in a DHCPINFORM after already getting the correct
>> DNS servers from DHCP. This seems to confuse DHCP into giving it the good
>> "known" dns servers.
>>
>> I had  one of our network guys do a trace and it seems to follow:
>>
>>         Client -- DHCPDISCOVER
>>         Server -- DHCPOFFER    (offers the proper DNS server)
>>         Client -- DHCPREQUEST  (requests the proper DNS server)
>>         Server -- DHCPACK (gives the client the proper DNS server)
>>
>> so far so good ... but then:
>>
>>         Client -- DHCPINFORM
>>         Server -- DHCPACK (gives the client the improper DNS server)
>>
>> I can cull more specific info together .. I was just wondering if anyone
>> else was experiencing this. We're running 3.0.5.
>>
>>
>>
>>     


-- 
william j marko
157 MWAH
Information Technology Systems & Services
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