Slow network throughput on windows 10  

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  1. Posts : 6
    Win 10 Pro

    Windows 10 extremely slow file transfer speeds

    I have three pc's on my home network. One had windows 10 from the factory the other two were Win 7 and 8.1 and all were experiencing 70-90MB/sec file transfer speeds. My internet was and still is 60MB/sec. After upgrading to windows 10 the file transfer speeds went to 5-8MB/sec. Internet speed is unaffected. I have followed many forums and tried every suggestion and nothing has resolved this issue. The last big windows 10 update did slow down the native windows 10 machine from 70-90MB/sec to 50-60MB/sec. Also, the native Win 10 machine is connecting via wifi and others via ethernet (wired)
    Any new ideas? Yes, latest drivers. Yes, Large Offload is disabled and many other suggestions.
    Last edited by treyswild; 07 Mar 2018 at 18:19. Reason: clarify
      My Computer

  2. Posts : 1
    Windows 10

    liqetsia911 said:
    This seemed to work for me:

    Disabling “Large Send Offload (LSO)”

    Large Send Offload is a technique of improving network performance while at the same time reducing CPU overhead. Apparently it does not work very well, so it was suggested to disable it. If you would like to know about LSO, check this MSDN article from 2001 (Task Offload (NDIS 5.1) (Windows Drivers)).

    LSO is an option located in a Device Manager under your network adapter, so this solution requires Administrator Privileges.

    Follow these steps:
    1.Open Start Menu, right-click on Computer and select Properties
    2.Under Control Panel Home located on the left side of the window click on Device Manager
    3.You will get a list of all devices on your machine. Expand Network Adapters.
    4.Find your Network Card and double-click on it.
    5.Select Advanced tab. You will get a list filled with different options.
    6.Select Large Send Offload V2 (IPv4) and set the value to Disabled
    7.Do the same for Large Send Offload V2 (IPv6) if it is available
    8.Click OK

    After clicking OK, tried to send a file over the LAN network. Transfer speed started very slow, but it was gradually picking up speed. Decided to restart the computer and try to send that file again and this time it worked like a charm.

    Now that sending of files worked as it should, also checked speed for receiving files. It turned out that it was still slow but all that was needed to fix was to disable Large Send Offload V2 on the other computer. Once done, problem was solved for receiving files as well.

    Hope this works for you guys / girls
    OMFG!!!!!!!!!!!! You are a genius!!!!
    I have been fishing around for days wondering why my connection between my TV and PC was so slow it was practically non existent. They are connected through a network bridge and I use Serviio to play videos on my PC from my TV. It was so frustrating coz it worked in Win 7 no problems. Was pulling my hair out going over everything again and again to no avail. Did your fix and straight away bang! Thank you thank you thank you!!
      My Computer


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