Hi,

Have you tried to find it with Microsoft's knowledge base? I found this,
maybe it is of any help to you:

Windows Vista cannot obtain an IP address from certain routers or from
certain non-Microsoft DHCP servers

http://support.microsoft.com/kb/928233/en-us


Søren Vanggaard Jensen schreef:
> I haven't been able to determine who own's the macaddress bc:95:81:00:00:0f.
> This is work in progress and i hope I'll  have an answer soon.
> 
> However, i do not see why bc:95:81:00:00:0f should cause Vista to decline
> the offered IP address. VISTA should only decline the IP address if it
> detects an IP address conflict.
> 
> BR
> /Søren
> 
> 
> 
> -----Original Message-----
> From: Claus@Monowall [mailto:Monowall at mail dash fwd dot archie dot dk] 
> Sent: 28. marts 2009 11:27
> To: apiasecki at midatlanticbb dot com
> Cc: m0n0wall at lists dot m0n0 dot ch; m0n0wall at lists dot m0n0 dot ch
> Subject: RE: [m0n0wall] DHCPDECLINE
> 
> Why is the failing ARP
> 
>> No.     Time            Source                Destination
> Protocol
>> Info
>>      38 15:31:12.537248 bc:95:81:00:00:0f     Broadcast             ARP
>> Who has 10.0.10.157?  Tell 0.0.0.0
>>  
>> Frame 38 (60 bytes on wire, 60 bytes captured) Ethernet II, Src: 
>> bc:95:81:00:00:0f (bc:95:81:00:00:0f), Dst: Broadcast
>> (ff:ff:ff:ff:ff:ff)
>> Address Resolution Protocol (request)
>>  
> 
> Saying
> 
> Tell 0.0.0.0
> 
> Why not
> 
> Tell real ip of bc:95:81:00:00:0f
> 
> Who is bc:95:81:00:00:0f ? First time I see it is in the failing ARPs ??
> 
> Claus
> 
> 
> 
> -----Original Message-----
> From: apiasecki at midatlanticbb dot com [mailto:apiasecki at midatlanticbb dot com]
> Posted At: Saturday, March 28, 2009 10:14 AM Posted To: Monowall
> Conversation: [m0n0wall] DHCPDECLINE
> Subject: Re: [m0n0wall] DHCPDECLINE
> 
> I have this same problem. On the same connection Windows XP will grab DHCP
> just fine but Vista won't. I haven't figure it out either. It's only Vista
> machines that are having this problem, all other OS's work fine. Its strange
> because some vista machines will work fine, while others won't.
> Usually i just tell the guest the call Microsoft's and explain that windows
> XP machines are working fine on the network and Vista isn't.
> 
> Adam

-- 
Met vriendelijke groet,
Wilko Lunenburg



There are some things so serious you have to laugh at them. - Niels Bohr