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Increase Internet Bandwidth by 20% in Windows XP

Microsoft Windows reserves 20% of your available bandwidth for its own purposes, i.e., Window Updates.

Basically, It reserves 20% of the bandwidth such that it reduces the speed of the Internet by 20%. It is a very common and popular trick on Windows XP to change the bandwidth reserve limit.

If you don’t want your bandwidth to be reserved by Windows, then use the below trick to change the reserve limit.

Follow the below Procedure to Increase Internet Bandwidth by 20% in Windows XP:

1. Open Group Policy Editor, Click Start –> Run –> type “gpedit.msc” without the quotes.

Group Policy Editor

2. In Group Policy Editor, Go to Local Computer Policy –> Computer Configuration –> Administrative Templates –> Network –> QOS Packet Scheduler.

Group Policy Editor

3. Now, In Qos Packet Scheduler check On the Right Pane (Right Side) for “Limit Reservable bandwidth” in the setting column.

Increase your Internet Bandwidth by 20%

4. Double-click on Limit Reservable bandwidth. It will say it is not configured, but it’s configured to use 20% of the bandwidth. To know more about this, Go to the Explain Tab.

Limit Reservable bandwidth

5. Now, Change the Default setting “Not Configured” to “Enable“.

increase bandwidth in XP

6. Select the “Enable” Radio Button Then Set Bandwidth Limit To ZERO ( 0 %), instead of 20%, and click on Apply button to save the setting, and click on the OK button.

Now you have 20% More bandwidth.

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About Roshan Karkera

Roshan Karkera a.k.a. k.roshan. Blogger by passion and software engineer by profession. He believes in sharing knowledge, which made him to start his own blog. He is very much keen & passionate about new technology & Science. If you'd like to connect with him, follow at Google plus or Twitter.


  1. your article are so great..also image make easy and fast to understand…Thanks.

  2. I Found my speed increased after applying this tweak..thanks..

  3. Enjoyed reading this, very good stuff, thankyou .

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