Internet drop-out every 30 seconds

Archived from groups: microsoft.public.windowsxp.help_and_support (More info?)

How to troubleshoot TCP/IP connectivity with Windows XP:
http://support.microsoft.com/defau [...] -us;314067



--
Mark L. Ferguson
FAQ for Windows Antispy http://www.geocities.com/marfer_mvp/FAQ_MSantispy.htm
"IdahoEv" <UseLinkToEmail@WindowsForumz.com> wrote in message news:3_1741897_ef9d81fb06b3bc8aaf4b5d3f6cf04d3c@windowsforumz.com...
> My sister's windows XP SP2 laptop does not work on my network: every
> 30 seconds, it disconnects from the network and acquires a new DHCP
> address, then reconnects 5 seconds later. Her laptop works fine with
> her own router, which is made by 2Wire. But we have seen other
> networks where the problem occurs, such as a wireless network in a
> hotel.
>
> I replaced the old linksys router with a brand-new one (WRT45g v.3),
> with up-to-date firmware. We also have the latest firmware and
> drivers for her laptop and network cards
>
> It does this disconnect/reconnect game:
> * Even when set up to use a fixed IP address. It ignores the fixed IP
> and gets a DHCP IP every 30 seconds!
> * Whether it's on wireless or Cat-5e ethernet. Doesn't matter.
> * Whether other wireless networks are present or not.
>
> The services logs show this error message every time the problem
> occurs:
>
> EventID 8033
> The browser has forced an election on network
> \Device\NetBT_Tcpip_{bunch of hex digits} because a master browser
> was stopped
>
> We also see this IPSec error (615):
> IPSec Services failed to get the complete list of network interfaces
> on the machine. ... Please run IPSec monitor snap-in to further
> diagnose the problem.
>
> We've turned off windows firewall, IPsec, and WZC, but none of these
> fixed the problem. Turning off IPSec removed the latter error, but
> the main problem still occurs every 30 seconds.
>
> Help, we're tearing our hair out here, this has been going on for
> weeks.
>
> Thanks,
> Ev
>
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