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Go Back   VR-Zone IT & Lifestyle Forum! > Enthusiast Tech Forums > Networking & Broadband
Networking & Broadband Discuss about your home networking and broadband access. Voice out on how fast or slow is your broadband access!


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Old Sep 4th, 04, 09:13 AM   #1 (permalink)
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Exclamation Slow Connections in Windows XP SP2...

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Hiya all,

Just a heads up: Windows XP SP2 includes a limitation for only 10 half-open TCP/IP connections... This means that anytime there are more than 10 TCP/IP open requests, then the TCP/IP stack would queue the rest...

This would affect a lot of people trying to use programs that open a lot of ports simultaneously... A good example being P2P programs...

Here is the situation:
http://www.tech-recipes.com/windows_tips559.html

From the horse's mouth:
http://www.microsoft.com/technet/pro...on127121120120

And the fix:
http://www.lvllord.de/?url=tools#4226patch

In so far as I can say, the fix works for me. And I have no more idiotic warnings in my event journal...

Cheers!

[Edit: Added information for Vista as posted by Trivolve]

Fixes for Vista:
http://forums.vr-zone.com/editpost.p...tpost&p=530431

Last edited by reb00tz; Jan 26th, 09 at 08:53 PM.. Reason: Added Vista information as posted by Trivolve...
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Old Oct 16th, 04, 11:39 PM   #2 (permalink)
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it works...but for bt, it is still slow...damn it!!!
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Old May 1st, 05, 03:48 PM   #3 (permalink)
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anyone can confirm that it actually works ???
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Old May 1st, 05, 09:08 PM   #4 (permalink)
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Yeah, it works for sure. If you're using SP2, try checking your event journal during eMule/eDonkey/BitTorrent/Kazaa/(insert choice of P2P) client...
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Old May 1st, 05, 09:33 PM   #5 (permalink)
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hmm... a bit increase only leh...
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Old May 1st, 05, 09:34 PM   #6 (permalink)
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But is it risky to do that?
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Old May 1st, 05, 09:41 PM   #7 (permalink)
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Not that I'm aware of... I'm currently using the hacks in all two laptops + two desktops under my "management". No funny stuff so far...
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Old May 2nd, 05, 12:39 PM   #8 (permalink)
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you all have speed increase ???
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Old May 2nd, 05, 12:50 PM   #9 (permalink)
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not a speed increase but more simultaneous downloads is what the aim is.. and i guess ive got it
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Old May 2nd, 05, 12:51 PM   #10 (permalink)
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i just tried it going to see if it works
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Old May 10th, 05, 01:13 AM   #11 (permalink)
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:jump4:
Oh see a lin2 player here.....
wat server u in?
Im server 2 Sig
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Old May 20th, 05, 10:39 AM   #12 (permalink)
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Quote:
Originally Posted by LaNc3r
not a speed increase but more simultaneous downloads is what the aim is.. and i guess ive got it
Actually, it doesn't give you more simultaneous downloads. What it does is to prevent the "rate limiting" of new connections that SP2 introduces.

This directly impacts how fast new connections can be made in a certain time frame. If you have more than 10 (the default in SP2), then the rest are simply "buffered".
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Old Jun 28th, 05, 03:13 AM   #13 (permalink)
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I haven't noticed any net slow downs since i switched from SP1 to SP2, works the same for me
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Old Jul 23rd, 05, 10:54 AM   #14 (permalink)
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how many limit (from the normal 10) u guys change to??
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Old Jul 23rd, 05, 10:57 AM   #15 (permalink)
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Quote:
Originally Posted by ekenikichi
how many u guys change to??

bro pls check PM..
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Old Aug 15th, 05, 11:25 PM   #16 (permalink)
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Quote:
Originally Posted by Soulz
:jump4:
Oh see a lin2 player here.....
wat server u in?
Im server 2 Sig
me too see you around
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Old Aug 22nd, 05, 09:33 PM   #17 (permalink)
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Quote:
Originally Posted by ekenikichi
how many limit (from the normal 10) u guys change to??
I changed to 100 for my friend. For myself, I don't have to do anything since it's WinXP SP1
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Old Nov 11th, 05, 08:19 PM   #18 (permalink)
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hi,

I was install that fix on 4 pc-s,works fine at all,no problems,and after few days p2p DL are faster for a while,lets say 10-15% + then before...


there is no any problems after install of that fix..


cheers!
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Old Dec 15th, 05, 12:14 AM   #19 (permalink)
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Hi ppl. Since this evening, i'm experiencing bandwidth problem with starhub maxonline 2000. Each time i start downloading stuff with bitcomet, i wouldn't be able to surf the internet. I had previously set my max half-open connections to 100 (for my OS which is Win XP Pro SP2) and bitcomet max h-open connections to 90 and it was running fine. I would be able to download stuff at 100kb/s and still able to surf the net. Now, when the downloading reaches around 10kb/s i would not be able to surf net. What could be the other causes? my upload speed is only 20kb/s. Experts pls advise.
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Old Dec 15th, 05, 06:04 AM   #20 (permalink)
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I'm not an expert... But here goes: basically, the total amount bandwidth you get isn't an issue with the half-open connection limit that WinXP SP2 imposes. You might wish to check that StarHub isn't blocking/throttling ports or modems that are running P2P programs...

In terms of you not being able to surf while running P2P programs, check that your CPU resources are not eaten up by something else, or it might be that as cable is a "share" resource, everyone else might be competing for bandwidth too.
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