How to throttle download speeds in Windows XP Pro

At work, we have about 50 users all sharing a single T1 line.  When I download some large software update, everyone on our network takes a hit.  Is there a way that I can control the rate at which the download occurs?  I'm running Windows XP Pro SP3.  It wouldn't matter to me if the download takes two hours instead of 20 minutes.

I'd rather not mess with the settings on our routers and switches.  If possible, I'd like to control the speed right on the desktop PC.

I ran some Google searches on this topic, but I didn't come up with anything promising.

Thanks.
chernavskyAsked:
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chernavskyConnect With a Mentor Author Commented:
I found my own solution:

http://www.uselessapplications.com/en/Application/FirefoxThrottle.aspx

I haven't actually tried it yet, but if it works as advertised, it will do exactly what I need it to do.
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williamvanerpCommented:
Try this on your pc:

1 Select "Start" and "Run." Type in "gpedit.msc" and hit "Enter." This will open up the Windows Group Policy page.

2 Select "Computer Configuration," followed by "Administrative Templates," "Network" and "QOS Package Scheduler." A new display will appear on the right side of the screen.

3 Select "Limit Reservable Bandwidth." This will bring up the bandwidth properties.

4 Select "Settings." In the middle of the screen will be a bandwidth percentage limiter. It will most likely already be set at 20 percent. Increase this amount to a desirable setting and click "OK."

You can also do it by group policy for more pc's.
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chernavskyAuthor Commented:
William, I don't see "Network" under "Administrative Templates".  Do I have to log in as local administrator, maybe?  I'm logged in as a domain user, but I have administrator privileges.
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williamvanerpCommented:
What do you see under administrative templates? Network should be there always.
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chernavskyAuthor Commented:
I see "Windows Components" -- and nothing else.
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williamvanerpCommented:
You´re sure having admin rights? Try it with local administrator. Sometimes the registry settings needed for these settings are blocked for normal user accounts.
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johnb6767Commented:
I dont think that policy is going to be what you need......

Windows XP Quality of Service (QoS) enhancements and behavior
http://support.microsoft.com/kb/316666

Qoute......

Clarification about the use of QoS in end computers that are running Windows XP

As in Windows 2000, programs can take advantage of QoS through the QoS APIs in Windows XP. One hundred percent of the network bandwidth is available to be shared by all programs unless a program specifically requests priority bandwidth. This "reserved" bandwidth is still available to other programs unless the requesting program is sending data. By default, programs can reserve up to an aggregate bandwidth of 20 percent of the underlying link speed on each interface on an end computer. If the program that reserved the bandwidth is not sending sufficient data to use it, the unused part of the reserved bandwidth is available for other data flows on the same host.

Basically, the reservation is only going to be there for a specific app that is QOS aware, and needs priority bandwidth.....

I think what you are needing to do needs to be done at the router's level.....
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johnb6767Commented:
Also, never used this, was in an old favorite......

Restrict or Limit Internet Download and Upload Transfer Speed
http://www.raymond.cc/blog/archives/2008/02/22/restrict-or-limit-internet-download-and-upload-transfer-speed/

Dunno if they work or not..... Would be curious to see what gets modified in the registry to make this effective.....
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chernavskyAuthor Commented:
William, even when I log in as local administrator on my machine, I don't see the "Network" option under "Administrative Templates".  Only the "Windows Components" appears.  Not sure what to make of this.

JohnB6767 -- I will take a look at the two utilities mentioned in the blog post you referenced.  Thanks.
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