Unemployment on the Rescue List? (was RE: [rescue] FS: SGI

Mike F lists at mikef.dyndns.org
Mon Sep 29 18:34:17 CDT 2003

On Mon, 29 Sep 2003 18:15:52 -0400
"Patrick Giagnocavo +1.717.201.3366" <patrick at zill.net> wrote:
> > Why do you need to reboot XP just to fix a hosed DHCP lease?  If
> > ipconfig/release and /renew don't fix the problem, disabling the
> > interface and re-enabling almost certainly will.  (Which reminds me;
> > I need to figure out how to do that last programmatically.)
> I did try that first, you know.  But rebooting is what really fixed
> the behavior I was seeing.  It could possibly have been related to the
> splendiferously crapulous Outlook POP3 client.

I've seen this as well, at least with Windows 2000. It seems that if
the PC loses connectivity with the DHCP server, as in physical
connectivity, Windows reconfigures the machine with a 169.254.*.*
address, and any attempts to release and renew the DHCP lease, once
the DHCP server is back, do nothing. There is a registry setting,
which I applied to my PC at work, which tells Win2K to ignore a
loss of link/no carrier. In this case, it keeps the lease and when
the DHCP server comes back up, it just keeps chugging along. I never
did check if disabling/re-enabling the NIC would work, but for me
the registry tweak means zero fiddling, and for others a reboot is
relatively quick and painless.

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