The network connection is lost on a Windows XP Hyper-V virtual machine

On Windows 8 64 Bit I am running a Hyper V Windows XP Virtual machine

When working on this virtual machine I constantly loose my network connection. After clicking on the repair network connection in IE it works for some minutes then fails again.

I saw and downloaded a hotfix (KB2223005) but this cannot be installed in Windows 8 because of some certificate error.

December 11th, 2012 10:40am

For a test, disable the "TCP/UDP Offload Checksum" on the physical NIC. More cases can be found this post:

Windows 2008 hyper-v host and guest can't ping - ChicagoTech.net

We have a windows 2008 running Hyper-v and guest server is windows 2003. All
  other computers can ping both host server and guest IP ...
chicagotech.net/netforums/viewtopic.php?t=4850
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December 11th, 2012 5:57pm

I had the same issue, and my physical wireless NIC didn't have TCP Offload as an option! 

Disabling the TOE on the HyperV switch didn't help either.

My solution was to remove the enlightened Network adapter and add a Legacy Network Adapter.  XP saw it fine, and no more disconnects!

Kudos to http://www.techrepublic.com/blog/window-on-windows/install-windows-xp-in-windows-8-client-hyper-v/6732

July 5th, 2013 1:38pm

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