Re: Fix for Internet connection problem after upgrading to SP4

Don't have an answer, but this may help explain it.

http://www.microsoft.com/technet/tr...newfeatures.asp

--
Regards,

Dave Patrick ....Please no email replies - reply in newsgroup.
Microsoft MVP [Windows NT/2000 Operating Systems]

"jonjon" <a@b.com> wrote:
> Somebody posted this...it works for me..thanks a bunch.
>
> --"I applied SP4 to a workstation running Win2000 Pro and
> network performance just dropped through the floor - took
> minutes to do even the simplest thing.
>
> I've tracked it down to the registry key
>
> HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\
> Parameters\Tcp1323Opts
>
> I had to set this to 3 on this machine (to enable scaling
> and timestamps) to solve an earlier problem but this
> setting with SP4 just seems to grind things to a halt.
>
> If I change it back to 0 (or remove it) then performance
> is normal again (except my original problem - why I needed
> timestamps in the first place - is back!).
>
> Has anyone else seen problems with this registry key and
> SP4?
> Cheers,
> Steve"
>
> >someone else said:
>
> "Seems to be scaling that causes the problem, setting the
> value to 0 or 2 is ok - 1 or 3 causes the problem... 0
> (disable RFC 1323 options) 1 (window scale enabled only) 2
> (timestamps enabled only) 3 (both options enabled)"
> ---
> I changed the setting to zero (as opposed to removing it),
> restarted, and voila!
> THANKS STEVE!
>
> >-----Original Message-----
> >>-----Original Message-----
> >>Hello,
> >>
> >>I applied the complete Win update (including SP4) to one
> >computer and it
> >>worked fine, no problems. I then applied it to two
> >others, one of which is
> >>our PDC and now the Internet has gone away. Also, ping
> >reports an error 65.
> >>I looked on google and that appears to be a result of a
> >firewall, but the
> >>firewall was already (and still is) disabled.
> >>
> >>Is there anything I can do short of reinstalling windows
> >to get back the
> >>internet?
> >>
> >>All computers are Win2000 Server.
> >>
> >>Thanks in advance,
> >>Craig
> >>
> >>
> >>.
> >>
> >It killed my internet connection in exactly the same way.
> >Like a total dummy I didn't backup prior to installing
> >this thing. Any help?
> >.
> >