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I have a Windows 2003 virtual machine which I use for website testing. I've just installed Windows 7 and am using the new version VPC (not xp mode).

When I try to copy a file - I need to copy some big databases across - I get a file copy speed of about 20k per sec. Copying from one PC to another on the real network transfers files at 13mb per second. Any ideas what may be causing this? I've turned off differential network compression on win 7.

The Virtual HD is on a seperate physical drive to the OS. Running Windows 7 64 bit on a dual xeon with 16gb ram and 10,000 rpm drives. Tried installing VPC 2007 but windows blocks it running saying its not compatable.

Many thanks for any ideas.

1 Answers1

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I had the same problem and the solution was to add a registry entry on the host machine:

under

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters

add a DWORD entry with name DisableTaskOffload and a value of 1

This is also described in a Microsoft KB article. Although it applies to Virtual Server 2005, it also seems to be a solution for VPC 7.

fretje
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