Solution For Poor/Capped Uploads Lower Than Expect...

I have been trying to find out why my Windows 7 machine performed poorly compared to my Untangle Linux Box  and Win2008 Server.
The uploads always seemed capped at 10Mbps or thereabouts. If I fired it through my Untangle Box I could get 18- 20Mbps.
A little more digging around it seemed a OS problem as I tried 2 different routers my ASUS N56U and a Dlink DIR655, and tried 3 different Network Cards.
So if you have a Windows 7 machine I suggest you try this, but of course at your own risk although I doubt whether you will really do much harm.
Anyways try this. 
start, run, type REGEDIT and open it, then find this
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\AFD\Parameters
create a new dword 32bit string in Parameters and name it "DefaultSendWindow"
Exactly as sated here case sensitive without the quotes
then double click it, choose Decimal and type this number 1640960
exit regedit, reboot pc.
After reboot run speedtest and see the difference.
My speeds are as expected now on all my machines.
BEFORE
AFTER

Why 1640960?
According to this , the formula is (Upload Speed Kbps / 8 ) * 1024 = DefaultSendWindow
which I work out as 2560000 for 20Mbps
If you found this post helpful, please click on the star on the left
If not, I'll try again

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    - The extension of the cables is around 40 meters (120 foot).
    - We have installed another wireless link in the place, that uses the same frequency, but different polarity. Also we try to separate the channels at least 7 frequencies.
    - The other system is omnidireccional in nature, and it doesn't have excessive gain.
    - On the place where the equipment of both systems coexist, the physical separation between the antennas of the two systems is around 9 foots (3 meters).
    The error messages we get are:
    - On the root bridge:
    Mar 1 00:00:57.238 Information Interface Dot11Radio0, Deauthenticating Station 0017.0ec6.a590 Reason: Previous authentication no longer valid
    Mar 1 00:00:57.237 Warning Packet to client 0017.0ec6.a590 reached max retries, removing the client
    - On the non-root bridge:
    Mar 1 16:19:52.072 Notification Line protocol on Interface Dot11Radio0, changed state to up
    Mar 1 16:19:51.072 Error Interface Dot11Radio0, changed state to up
    Mar 1 16:19:51.071 Warning Interface Dot11Radio0, Associated To AP Central-2 0017.0ec6.a580 [None]
    Mar 1 16:16:00.255 Warning Interface Dot11Radio0, cannot associate: No Response
    Mar 1 16:15:50.397 Notification Line protocol on Interface Dot11Radio0, changed state to down
    Mar 1 16:15:49.398 Error Interface Dot11Radio0, changed state to down
    Mar 1 16:15:49.397 Warning Interface Dot11Radio0, parent lost: Too many retries
    Mar 1 16:14:56.788 Notification Line protocol on Interface Dot11Radio0, changed state to up
    Mar 1 16:14:55.788 Error Interface Dot11Radio0, changed state to up
    Mar 1 16:14:55.788 Warning Interface Dot11Radio0, Associated To AP Central-2 0017.0ec6.a580 [None]
    When we make a reload on any of the bridges the link reestablishes for some time. With this message on the root bridge:
    Mar 1 00:00:44.194 Information Interface Dot11Radio0, Station NONROOTNAME 0017.0ec6.a590 Reassociated KEY_MGMT[NONE]
    Mar 1 00:00:35.456 Notification Line protocol on Interface Dot11Radio0, changed state to up
    I will appreciate any additional help.
    Best Regards,
    Igor Sotelo.

  • Is there any other solution for Adobe Flash plugin crashing than the posted one about updating Flash and Mozilla? I cannot open any PDF files online and updated both Mozilla and Flash player to most recent with no change in the crashing.

    I was able to open PDFs online until version 8. Since upgrading to version 9 and now 10, I have crashes every time I try to open a PDF online and can see the form briefly for about two seconds before the plugin crashes. I followed instructions on the solution to update Adobe Flash and Mozilla, and they are both to the most recent version and it still crashes every time, no dent in the symptoms with the upgrades. I tried also downgrading to version 3, and it sill crashes. Although in some cases I can get around by saving the PDFs for reading them through Acrobat on my PC, it is a hassle as I do not want to save everything to my drive just to see what it is, plus sometimes forms are generated on a click and I cannot see these forms at all.
    I had to migrate to Chrome as I needed the PDFs and could not wait any longer - any suggestions to make Mozilla work again would be appreciated.

    Hi,
    Please check if this happens in [https://support.mozilla.com/en-US/kb/Safe%20Mode Safe Mode] after enabling only the PDF plugin in '''Tools''' ('''Alt''' + '''T''') > '''Add-ons''' > '''Plugins'''. You can also '''Disable''' the PDF plugin and try an alternative, for eg. [https://addons.mozilla.org/en-US/firefox/addon/pdfjs/?src=cb-dl-created pdf.js]. Please also go through the add-on reviews, ratings, help and FAQ.
    [http://kb.mozillazine.org/Problematic_extensions Problematic Extensions]
    [https://support.mozilla.com/en-US/kb/Troubleshooting%20extensions%20and%20themes Troubleshooting Extensions and Themes]
    [http://support.mozilla.com/en-US/kb/Uninstalling+add-ons Uninstalling Add-ons]
    [http://kb.mozillazine.org/Uninstalling_toolbars Uninstalling Toolbars]
    [http://support.mozilla.com/en-US/kb/Cannot%20uninstall%20an%20add-on Cannot Uninstall Add-on]
    [https://support.mozilla.com/en-US/kb/Troubleshooting%20plugins Troubleshooting Plugins]
    [http://kb.mozillazine.org/Testing_plugins Testing Plugins]

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