Hotfix to help with Shared Folder Performance of Windows XP Mode

Hotfix to help with Shared Folder Performance of Windows XP Mode

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A number of users have seen performance issues using shared folders / having shared folders enabled with Windows XP Mode on the RC release of Windows Virtual PC.  This can be addressed by installing this hotfix:

http://support.microsoft.com/default.aspx?scid=kb;EN-US;972435

Inside the virtual machine.  Please note – this hotfix is for Windows XP and is installed inside the virtual machine, not in the host operating system.

Cheers,
Ben

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  • Unfortunately this hotfix did not work for me. The shared folders on the Windows 7 (ultimate) host machine are still incredibly slow when I try to access them from Windows Virtual PC.

    When I access shared folders on my old Vista machine, the performance is actually pretty good. The issue seems to be only when accessing shares on the Host.

  • This hotfix did not work for me.

    I've noticed that it depends on network interface of the host.

    In my case, it was "Marvell Yukon 88E8056 PCI-E Gigabit"

    I use shares mapped with "net use".

    Writing is fast, but reading is so slow (about 20kb/sec)

    With process monitor, i can see that every Read call takes about 3 seconds (for 60 k of data)

    I've switched to another network interface (Marvell Yukon 88E8001/8003/8010 PCI Gigabit) and problem went away.

    Still I'd like to know what is wrong with original setup.

  • Lovely, the fix worked great for me.

    It is way faster, though I'd expect things to go even better.

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