Copy function is to one of the major advantages of Vista as per the
following:

[url]http://blogs.technet.com/markrussinovich/rss.xml[/url]

Microsoft provides free SP1 support at:

[url]https://support.microsoft.com/oas/default.aspx?ln=en-us&prid=11274&gprid=500921[/url]



"NB" <NB@discussions.microsoft.com> wrote in message
news:B4CD980B-B303-4F97-827A-2B3A2FC43DA3@microsoft.com...[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]