You may try to disable auto tuning. This post may help. Please post back
with the result.
Vista: The copy process may stop ...Also you may try to disable Vista TCP/IP
"Receive Window Auto-Tuning " that may slow the speed. To disable it, open a
command prompt and type: ...
http://www.chicagotech.net/netforums...ic.php?=&p=583
--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com
"Kenneth" <kenneth@xxxxxx> wrote in message
news:OTDMmQyjIHA.484@xxxxxx
Quote:
> Hi
>
> I have problems with several computers in my company that runs Windows
> Vista Enterprise both with and without SP1.
> The problem is that when a computer is genereting a lot of trafic on the
> network card, it suddenly stops function.
> The only way to restore network connection is to restarte the computer.
>
> When the problem occure you will only manage to ping localhost and your
> own IP addresse.
> If you ping another server or computer you get "destination host
> unreachable" and "reguest timed out" in random order.
>
> Computers are mainly Dell D630 and D830, and the problem occur both on
> wireless and wired networkcards.
>
> The way I have managed to provoke the error is by copying three 3Gb files
> from another computer/server and have installed Citrix Secure Access
> Client for Vista.
> Therefor i thought i might be the Citrix client that is the source of the
> problem, but the problem still exist without the Citrix client, but it
> dosen't happend that often.
>
> I tried to disable the multicore option in BIOS, so the laptop only uses
> one core. This seemed to help, but this could be because it dosn't push
> the networkcard hard enough.
>
> When copying this three files the resource Overview in Vista says it
> transfers with 95-96 Mbps with multicore enabled
> When copying this three files the resource Overview in Vista says it
> transfers with 65-70 Mbps with multicore disabled
>
> Following steps have also been tried without luck:
>
> Antivirus has been uninstalled
> Windows firewall has been deaktivated
> Disabled autotuninglevel
> Unchecked IPV6 on networkcards
> Installed newest networkdrivers from Dell.
> Clean install of Vista Enterprise with SP1