You may try to disable auto tuning. this how to may help.
Vista IPCONFIG and Network SettingsHow to change the binding order of
network providers · How to disable Auto-tuning on Windows Vista · How to
disable TCP/IPv6 ...
www.howtonetworking.com/vista/vistaipconfig.htm
--
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
"bucktaylor100" <bucktaylor100@discussions.microsoft.com> wrote in message
news:41CC05D2-78EE-4CBA-B42E-E3ED6D5B36A2@microsoft.com...
> If I try to copy a large file (~5g or more) or several smaller files that
> equal ~5g or more across the network the copy will start but eventually
> the
> copy window will freeze and stop responding. If I try and reboot windows
> hangs during the shutdown so my only recourse is to power my PC off. I
> have
> the latest network drivers for my NIC. Running Vista Ultimate with SP1.
> Anyone else seen this issue?