Slow copying speed over the LAN
Hi, I have installed 32 bit Windows 7 Enterprise edition on DELL Inspiron 1525 with 4 GB RAM. I am trying to copy a file of size around 200 MB from a file server over the LAN and getting an average copying speed of 4-5 kbps, which is ultimately timing out. Can someone please help here... other XP machines are able to copy the same thing very fast. It is verydisappointingthat Micorosft is releasing such bad quality software and creating so much hype even after the Vista experience. Help would be very much appreciated. Thanks in advance.
December 10th, 2009 11:15am

If you are using cable connection, try booting both computers into Safe Mode with networking and test there. If you use wireless you will have to perform selective startup or completely disable/remove antivirus/firewall software (temporarily) and test like that. Selective startup: http://support.microsoft.com/kb/331796Safe mode with networking: http://support.microsoft.com/kb/316434
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December 10th, 2009 11:18am

There is no problem with the network per se, because the copy speed between a Wind XP machine and the File server is pretty good between the same end points. And yes I am connected via a cable and have tested via a brand new cable as well without any benefit. I'm seeing a lot of folks face this issue with Windows 7 without getting answers on how to solve this... so any other ideas? Thanks
December 10th, 2009 3:20pm

I did not ask you to test in Safe Mode with networking because there would be anything wrong with ur cable or network, but because in Safe mode most Antivirus/Firewall software does not work. I saw situation where slow copy speed via network and interruptions were caused by antivirus software BitDefender and thats why i asked you to disable AV software. Network troubleshooting cannot be performed effectively when you have third party Antivirus/Firewall up and running. Once you post results from Safe Mode with Networking i will ofc help you with further troubleshooting.
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December 10th, 2009 4:25pm

Hi, In addition, please uun the following commands one by one in an elevated command prompt in Windows 7 and see if it helps: netsh interface tcp set global rss=disabled netsh interface tcp set global autotuninglevel=disabled netsh int ip set global taskoffload=disabled Thanks.Nicholas Li - MSFT
December 17th, 2009 12:34pm

Som what if it's a brand spanking new super clean Windows 7 install without any additional software installed. No firewall, nothing.What if the copy speed is 600 - 700 kilobytes/s or 1.25MB/s at best between a Win 7 - Win XP or even Win 7 to Linux machine. What if none of the above suggestions work? Not even disabling Remote Differential Compression or disabling IP v6. The terrible copy speed persist whether it be from cable network to Wi-Fi of cable to cable and even Wi-Fi to Wi-Fi. Even changed networking equipment to rule out incompatibility. Not even crossover network cable will rule out the problem. I cannot install windows XP on my machine because windows 7 locked the filesystem of my 1TB hdd and Windows XP cannot open the volume. I love windows 7. I hate its networking! Simply one thing MS is terrible at. Solving problems... Too bad all the best apps are being developed for Windows only.
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January 30th, 2010 1:11am

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