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How to Take Back 20% of Your Bandwidth From Windows XP June 15, 2006

Posted by cbeech in News - Tech, Software, Tech.

Microsoft reserves 20% of your available bandwidth for its own
purposes (suspect for updates and interrogating your machine etc..)
Here’s how to get it back:

Click Start–>Run–>type “gpedit.msc” without the “

This opens the group policy editor. Then go to:

Computer Policy–>Computer Configuration–>Administrative
Templates–>Network–>QOS Packet Scheduler–>Limit Reservable

Double click on Limit Reservable bandwidth. It will say it is not configured, but the truth is under the ‘Explain’ tab :

default, the Packet Scheduler limits the system to 20 percent of the
bandwidth of a connection, but you can use this setting to override the




1. JAB_au - April 26, 2008

100% of your connection is always available, however if a high priority program requests bandwidth Windows will force at least 20% for that programs use. It’s called QoS, so if your using voice on MSN messenger and you have set this to 0% expect bad performance.

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