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Windows Vista
throttles your network bandwidth when you are playing any multimedia file
such as an MP3 or a video. This was designed to ensure the CPU has enough
free cycles available to play your media without skipping. The down
side is that when you are playing a multimedia file you will notice that
your network speed of file transfers will decrease on high speed network
connections. By default when you are playing a multimedia file your
network transfers are limited to 10 packets per millisecond.
In Windows Vista SP1
Microsoft introduces a registry key that allows you to customize this
setting.
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[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows
NT\CurrentVersion\Multimedia\SystemProfile] |
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NetworkThrottlingIndexValue |
You can set NetworkThrottlingIndexValue
between 1 and 70. If you want to disable set the hexadecimal value
to FFFFFFFF.
Microsoft warns that if you
increase the value above 10 you may experience playback quality issues.
Depending on your network setup, it is worth experimenting.
After making any changes a
restart is needed.
Read more about this tweak
on KB948066 |