I have no prob with Bob C's advice, but it didn't work for my system. I had
to set the Properties of the Ethernet device, in device manager, to '10 Mpbs
half duplex' to get the speed up. YMMV, I would try changing to several
speeds to see what works best.
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Mark L. Ferguson


"NB" wrote:
[color=blue]
> I loaded Vista SP1 on three different computers. Two at home and one at work.
>
> I have experienced major reductions in file copy performance over the network.
>
> At work, my Vista x64 SP1 station has seen an 18 to 20 fold reduction in
> network file copy performance between some servers. The reduction in
> performance is from about 40 MB/s to 600 KB/s between certain Win2K3 servers.
>
> At home, I have three Vista x64 systems. Two have SP1 and one does not.
> Copying files from one Vista SP1 system to the other SP1 system has seen a
> 20 fold reduction in performance after SP1, however the performance reduction
> is only in one direction. If I copy files TO the other machine, it's slow,
> but if I copy files FROM the other machine, it's very fast. After SP1, the
> speed was reduced from about 80 MB/s to less than 5 MB/s. I have no
> performance issues copying to or from the non-SP1 machine from the other SP1
> machines.
>
> Of course, this is totally unacceptable and I cannot run the machines like
> that. I have uninstalled SP1 from my work machine and now it's fine again.
>
> At home, I've messed with it for days, trying all kinds of different
> suggestions, drivers, registry hacks, and even tried different network cards
> to no avail.
>
> If I cannot fix these network performance issues, I won't be able to use SP1.
> I'm really at a loss and grasping at straws here.
>
> Does anyone have any ideas?[/color]