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So I installed 10.04 on Hyper-V R2. While booting up the VM I have a ping -t xxx.xxx.xxx.xxx (The Ubuntu Guest IP address) and it actually gets a response for about 10 seconds after you see the login prompt on ubuntu. Then about the time it takes to login you start getting a request timed out. I disabled UFW and rebooted and still nothing. Same results. Any ideas?

It is a legacy adapter as well.

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Is the NIC in the physical host an Intel or Broadcom? Does it have the latest firmware? –  Chris S Jul 12 '11 at 23:58
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1 Answer 1

Check that it has unique mac address in hyperV , also that you do not have IP conflict :)

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