I have DNS/DHCP running on a NW65 SP3 server, with mostly WIndows XP

Most of the time this works fine, but:

- I have one computer that will, occasionally, pick up an IP address just
fine but not the gateway address, so the user can't get on the Internet. If
I do "ipconfig /release", "ipconfig /renew" it will get the gateway

- Several computers will sometimes lose the ability to resolve names. If I
do "ipconfig /flushdns", "ipconfig /registerdns" then name resolution will
work ok again.

Things must be basically OK on the server, or everyone would have problems
all the time. I'm inclined to blame Windows XP, but I don't know what I can
do about it.

Anyone seen anything like this or have any suggestions?