Problem solved. DHCP was out of addresses due to my
failure to establish a superscope.
>-----Original Message-----
>Some Windows machines on the network cannot find the DHCP
>server when they attempt to renew their lease or are
>renewed manually. Others do not appear to have a
>problem. This started after a rogue dhcp server was
>introduced into the network, but the problem did not
>resolve itself after the rogue server was removed.
>When I hard code an IP address into the 2000 machine, it
>can ping the DHCP server without a problem.
>
>My XP Pro laptop obtains an address immediately.
>.
>