Fix: Improve Slow Data Transfer Speed in Windows 7

Speed Up My PC

Data Transfer Rate, in simple words, is the amount of digital data that is moved from one place to another in a given time. The more the rate, the higher the speed.

hotfix icon Fix: Improve Slow Data Transfer Speed in Windows 7

If you work in a high-bandwidth and low-latency network environment, and you find that the data transfer speed is slow while using your Windows 7, you might want to read this article.

Now in Windows 7, this issue occurs because TCP window scaling does not work when network latency is between 1 millisecond and 8 milliseconds.

If you want to fix this problem, you can request Fix387621 from Microsoft. Once you accept the conditions, you will be able to download and apply the fix. Do note that after you have applied this hotfix, you will have to restart your Windows computer.

Actually, Microsoft has confirmed that this is a problem being faced by many users of Windows 7 Enterprise, Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows Server 2008 R2 Datacenter, Windows Server 2008 R2 Standard, Windows Server 2008 R2 Enterprise, Windows Server 2008 R2 Foundation and Windows Server 2008 R2 for Itanium-Based Systems – as a result of which they have decided to release this fix. You can read more at KB2675785.

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Anand aka HappyAndyK is an end-user Windows enthusiast, a Microsoft MVP in Windows Desktop Experience since 2007, and the Admin of TheWindowsClub.com, TheGeeksClub.com & WinVistaClub.com. Creating a System Restore Point before trying out a new software or a tweak is always recommended.

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  • Jack

    How do I determine if this Fix would help me?

  • Joe

    Will this fix help when transferring data from a desktop or laptop to an external hard drive or flash drive (and visa versa)?

  • Tweak

    I too am curious as to how one is supposed to determine if this “fix” would be applicable for their system, no criteria or comparisons are given as an example of what might be considered slow and in need of such a solution.

  • http://www.thewindowsclub.com Anand Khanse

    You can visit the KB article whose link has been mentioned for additional details, but it doesnt say anything more on this subject.

  • Tweak

    Exactly the problem, their is information provided but only in partial form, we are left to either guess or research and figure out if it is needed, I would assume this would be included with an article that readers that frequent this site might benefit but without properly informing the reader the article seem pointless. Although it may not be extremely helpful some further information someone might find useful in regards to this can be found on the following sites.

    http://8help.osu.edu/3253.html
    http://www.ecr6.ohio-state.edu/window-scaling.html
    http://www.speedguide.net/articles/windows-7-vista-2008-tweaks-2574
    And one more “scaling” related link:
    http://support.microsoft.com/kb/934430

    Perhaps the info here as well as within these links will help at least a little for those interested.

  • Sylver123

    I take it, it probably wouldn’t do no harm applying it anyways if your not sure.

  • Jaibee Joseph

    thanks for the article…