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  1.    06 Nov 2014 #1
    Join Date : Nov 2014
    Posts : 1
    10

    Slow network throughput on windows 10


    Anyone else noticed slow network throughput on 10?

    I am running gigabit Ethernet (via cat5e cable) and I can only get about 3MB/s copying local files from my pc to my NAS.

    One windows 7, with same hardware, I was getting about 50-60MB/s

    Any ideas?

    It pretty much is making windows 10 unusable for me.

    I am on Build 9860

    Click image for larger version. 

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      My ComputerSystem Spec
  2.    07 Nov 2014 #2

    Hi there

    For some reason I was getting a similar drop in performance when using video streaming from PLEX to a smart Blu ray player - both server (computer) and Blu Ray box on Wired Lan.

    I got faster Video transfer when I switched the server to a LAPTOP using WIRELESS - got decent fast Intel wireless card and the router handles the latest wireless technology (802.ac 1.2 GB/s). With the Lan it drops to around 4MB/s -- Go figure !!!!!!!!!.

    On W8.1 the Lan operates at nearly 2GB/s so something is hosed up !!! Still it IS a test build.

    Running as a REAL machine not as a VM -- note if you "Virtualise" the OS then your throughput will be reduced if using the "Virtualised NIC" rather than a physical one -- this is where HYPER-V probably is a better option if you are running W10 as a VM and want to use NAS with it.

    Cheers
    jimbo
      My ComputerSystem Spec
  3.    07 Nov 2014 #3
    Join Date : Oct 2013
    A Finnish expat in Germany
    Posts : 12,662
    Windows 10 Pro

    This might have nothing to do with your issue but one thing I noticed on several installations on both real and virtual machines is that an 9841 upgraded to 9860 was / is slower in almost every aspect than a cleanly installed 9860.
      My ComputerSystem Spec
  4.    07 Nov 2014 #4
    Join Date : Sep 2014
    DFW Area
    Posts : 432
    Windows 8&10

    I suppose I would like to ask what Network Adapter you are using and what driver is it using as far as one from Windows 10 or the OEM?

    You are using an Apple system?
      My ComputerSystem Spec
  5.    02 Jul 2015 #5
    Join Date : Jul 2015
    Posts : 4
    Windows 10

    To the OP. Did you ever resolve your issue? I have the same problem. Gigabit wired connection, only writing at around 2 MB/s to my NAS whereas my Windows 7 Desktop will write at around 30 MB/s.

    From Device Manager, my NIC is an Intel(R) 82567LF-3 Gigabit Network Connection. The only setting in its advance tab that is not enabled is "Adaptive Inter-Frame Spacing". I have no idea what that is.

    Currently on build 10159.
      My ComputerSystem Spec
  6.    10 Aug 2015 #6
    Join Date : Aug 2015
    Posts : 1
    Windows 10

    Windows 10 running slow


    I have the same issue with Windows 10 running slowly I have an Asus TP500L, which is less than 12 months old and uses Mediatek MT7630E WiFi adapter. A simple ping test shows that approximately every 10-20 ping the time increases dramatically from around 23ms up to in excess of 1000ms, this seems to be regular. I have another laptop with windows 7 installed and the ping to the same IP (google.com.au) remains a consistent 23/24ms.

    I note that all browsing runs slow, with long hang times during page retrieval.

    Is this happening to most users and has anyone found a fix for this as yet?

    Cheers

    Steve
      My ComputerSystem Spec
  7.    15 Dec 2015 #7
    Join Date : Dec 2015
    Posts : 1
    2008R2,w7,w10

    Slow Network drive access prevents using windows 10 in my environment. One TB of data in 100,000 folders/files managed by Windows 2008 R2. Access is from 30 desktop computers on same LAN. Changing any one of the Windows 7 desktops to Windows 10 results in extremely slow access by the Windows 10 computer.

    Note: Am able to restore normal access speed by disabling UAC.

    Hoping Microsoft will address issue
      My ComputerSystem Spec
  8.    31 Jan 2016 #8
    Join Date : Jan 2016
    Posts : 1
    Windows 10

    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
      My ComputerSystem Spec
  9.    18 Feb 2016 #9
    Join Date : Feb 2016
    Posts : 3
    Windows 10

    Quote Originally Posted by liqetsia911 View Post
    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
    Made an account to chime in -- this worked for me. Speed jumped from ~3.0 MB/s to 30 MB/s.

    Thank you very much
      My ComputerSystem Spec
  10.    30 Apr 2016 #10
    Join Date : Apr 2016
    Posts : 1
    Windows 10 64-bit

    Thank you , thank you. This worked for me too!


    Quote Originally Posted by liqetsia911 View Post
    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
    ======================
    I have a 1Gbs LAN. Using Windows 8.1 Professional I was able to achieve (about) 100MB/sec speed to my Synology NAS. With install of Windows 10 Professional, speed dropped to (about) 10MB/sec. This article helped get file transfer speed back up to (about) 100MB/sec. Thank you, thank you.
      My ComputerSystem Spec

 
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