I have been testing Gigabit Ethernet performance on
Windows Server 2003 and Windows XP SP1 and I was really
disappointed about the performance on Win2003.
The adapters used are Intel Pro/1000 MT and CT (onboard).
Using NetIO as benchmark program next to file transfers
the results were very low. NetIO never gave me more than
around 24.000k while performing the same test using 2
WinXP PC's gave me around 100.000k.
Task Manager shows me the same reports. W2K3 to WXP or
vice versa transfers never came above 25% but that was
already exceptional since most of the time it was between
8 and 18% in Task Manager.
WXP to WXP gave me better results but never higher than
50%.
This really suprised me. I know that W2K had issues with
slow networking performance but with 100Mbit networkcards
I was really impressed by W2K3 since it showed met 98%
performance in Task Manager with NetIO and I even reached
that with file transfers.
Is the slow Gigabit performance a bug in W2K3 (and
perhaps even in WXP)?
Anyone got a solution to this?
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