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PostPosted: Sun Jul 10, 2011 6:32 pm 
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I have searched all over the web to try to resolve this.

My current dilemma is that windows 2003 + apache 2.2 is throttling my clients download speed significantly.

I am thinking of altering my registry, more specifically DefaultReceiveWindow & DefaultSendWindow. I am unsure of what the appropriate setting for these would be however.

I have read that:
DefaultReceiveWindow = multiply your ISPs download caps in kilobytes by 1024 then divide by 8
DefaultSendWindow = multiply your ISPs upload caps in kilobytes by 1024 then devide by 8

Does this sound kosher? I am at my wits end trying to solve this.


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PostPosted: Sun Jul 10, 2011 6:33 pm 
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Some resources I read to get this info:

http://forums.speedguide.net/showthread ... SendWindow

https://issues.apache.org/bugzilla/show ... i?id=42065 - last post by Dominik Friedrichs


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PostPosted: Sun Jul 10, 2011 9:03 pm 
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I looked into this previously here and was unfortunately not able to find a solution: viewtopic.php?f=44&t=5112. I tried just about everything I could think of. IIS works fine -- it's just Apache.


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PostPosted: Sun Jul 10, 2011 9:04 pm 
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I noticed that. I am just so unfamiliar with IIS.

I will let you know how this turns out, worst case it is not help.


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PostPosted: Sun Jul 10, 2011 10:23 pm 
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It's definitely worth a try.


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PostPosted: Wed Jul 13, 2011 8:55 am 
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This was my fix by importing this into the registry.


Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AFD\Parameters]
"DefaultSendWindow"=dword:0000ffff
"DefaultReceiveWindow"=dword:00065535


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PostPosted: Thu Jul 14, 2011 3:41 pm 
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squirrelof09 wrote:
This was my fix by importing this into the registry.


Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\AFD\Parameters]
"DefaultSendWindow"=dword:0000ffff
"DefaultReceiveWindow"=dword:00065535


Confirming this as well. We went from download speeds capping around 120k to 550-750k pulls. Much better, and thanks for the reply squirrelof09.


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