You may want to turning off auto-tuning on the Vista. This post may help.
Vista rus slow
http://www.chicagotech.net/netforums...pic.php?t=2115
--
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
"Carl Farrington" <carl@noitsnotcss-networks.commy.invalid> wrote in message
news:5pdie2FqovedU1@mid.individual.net...
> Will there be a fix for this major problem?
> I have had to resort to burning 600MBs to a CDR because Vista was only
> achieving 400kb/sec on a 100mbit ethernet connection to a Windows 2000
> Server SP4 DC. That's pretty poor really.
>
> Robocopy was no different to Explorer.
>
> I have IPv6 disabled via the registry if it makes any difference.