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On my Windows 7 host machine, I have a Virtual PC guest which runs Windows 2003 server R2.

After 10-15 minutes the guest loses the network connection. To fix this temporarily, I have to change the network to "none" in the VPC settings, then I change it back to the integrated VPC Realtek adapter. It works for 10-15 minutes before dropping again.

I have tried to reinstall the VPC network driver as Microsoft's KB described, but it only works for a few minutes and then it loses the connection again.

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migrated from stackoverflow.com Dec 23 '12 at 3:39

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