Finally, I got a fix for a bunch of slowdowns I’d been seeing - turns out Vista has something called “Receive Window Auto-Tuning.”

This is really smart - except most hardware out there is still dumb. As soon as I found this site and followed the directions, I was in like Flynn.

Make sure you’re running as an Administrator (can open a command window as Administrator) and execute the following command at the prompt:

“netsh interface tcp set global autotuning=disabled”

Changing “disabled” to “normal” will re-enable this setting, should you want to turn it back on again. The following command will list the status of the current TCP settings:

“netsh interface tcp show global”

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This entry was posted on Wednesday, March 21st, 2007 at 6:54 pm and is filed under Technology. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.