Slow Network File copy after XP SP2 Upgrade

[Guest]

I have a computer with an on board Intel 1000/PRO MT NIC. When I upgrade my
machine to Windows XP SP2 my network performance becomes very poor. Example:
copy a 5MB file across the network (switched 100MB network) to a file server
takes 40-60 seconds. Uninstall SP2, and performance goes back to normal (file
copy takes place almost immediately).

What makes this really strange is the problem is only one way. Only when I
copy from the problem machine out to another. When I go to another machine
and copy to the problem machine, the copy takes place almost immediately!

I don't believe this issue to be related to the network. I have a notebook
computer running WinXP SP2 as well, if I plug it into the same switch using
the same cable, it works fine.

Other settings tried to fix issue...
- AntiVirus on/off doesn't change performance.
- XP firewall on/off doesn't change performance.
- Tried latest NIC drivers from Intel (ver 9.1 from 10/2004) doesn't change
performance.
- Tried several config changes on NIC (full duplex, half duplex, etc...)
with no positive change in performance.
- I even wiped the PC and installed Windows XP w/SP2 from scratch, the
problem still exists.

This problem has been driving me nuts for several weeks. Any help is greatly
appreciated.
Thanks!

 

[Hans-Georg Michna]

I have a computer with an on board Intel 1000/PRO MT NIC. When I upgrade my
machine to Windows XP SP2 my network performance becomes very poor.

Microsoft offers free telephone support for Service Pack 2 (see
http://www.michna.com/kb/WxSP2.htm for some more details).

Whether they can solve your problem, I don't know, but it may be
worth a try, given that you've pretty much traced the cause back
to SP2.

The only other thing I would try is to disable the on-board
network adapter and install a different one from a different
manufacturer, at least for a test.

Hans-Georg