Windows XP seems to *forget* to send DHCPINFORM and DHCPRELEASE

michael kapelko kornerr at
Wed Apr 22 01:48:40 UTC 2009

>> When I only provide IP, mask, router IP and DHCP service is on,
>> Windows XP does not send DHCPINFORM to ask for DNS.
> I believe DHCPINFORM is only used by clients that are not getting their
> IP through DHCP.  If you are supplying the IP through DHCP then this
> client will get the DNS option from the DHCPOFFER and DHCPACK messages.
I meant I manually typed IP, mask, routerIP in and left DNS IPs blank.
I thought Windows XP would ask for DNS.

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