Speed Up Network File Copying While Playing Audio in Windows Vista SP1

Discussion in 'Performance & Tweaks' started by Jason, Apr 13, 2008.

  1. Jason

    Jason

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    Windows Vista restricts network traffic to 10 packets per millisecond while playing multimedia to prevent skipping. Unfortunately this causes network speed to be pitiful on a gigabit network, especially during file copies over the network.



    Service Pack 1 includes a new registry tweak that can be used to change the throttling percentage so you can at least partially fix this problem, but you should be careful to test it out, because you don't want your audio to skip either.



    Note: This setting is only really useful if you are on a gigabit network - the default values should be fine for a Wireless network.



    Manual Registry Hack



    Open regedit.exe through the start menu search or run box, and then browse down to the following key:



    HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Multimedia\SystemProfile



    You will see a value on the right-hand side named NetworkThrottlingIndex, which can be changed to anything from 1 to 70 (decimal). I would recommend testing out different values to see what works for you. Note that you'll need to reboot after making this change.



    The Anandtech website has more information and test notes for this hack…



    HowToGeek.com
     
    Jason, Apr 13, 2008
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