Re: DhcpNameServer changes after login
- From: "Steven L Umbach" <n9rou@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sun, 26 Mar 2006 21:57:27 -0600
Does it show that the computer has a new DHCP server also with ipconfig
/all?? If so you may have an unauthorized DHCP server/device on your
network. It is curious that the computer would change so fast as DHCP leases
are usually 8 days unless you or the computer are using something like
ipconfig /release and renew or a scrip that uses netsh command to
reconfigure the settings. I would also run rsop.msc to see if any Group
Policy settings [including scripts] are enforcing DNS servers in computer
configuration. You may also want to post in the server.networking
newsgroup. --- Steve
"Spinnerdog" <Spinnerdog@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:56D3934F-7555-4086-86B9-F77D589DCCCF@xxxxxxxxxxxxxxxx
On a network with Server 2003 providing Active Directory and all its
elements, includeing DHCP and DNS, the name servers change a few seconds
after login. On any workstation running "ipconfig /all" within 30 seconds
of
login shows the internal DNS servers but a few seconds later running
"ipconfig /all" shows external non-related DNS servers.
Using RegMON I can tell svchost is changing the registry but I don't know
how to determin what is calling svchost. I've also used HiJackThis and
found
nothing unusual in the registry or startup. The external nameservers are
not
listed in the registry, at least not as text either.
.
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