External switch connectivity issues on Windows 8.1

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hello,

i have problem driving me crazy few days now. have windows 8.1 enterprise desktop pc hyper-v installed on it. have created external virtual switch in hyper-v manager , connected 1 , physical wired network adapter. have ticked checkbox allow management host share adapter. have installed windows 2008 r2 standard vm on , connected network adapter external virtual switch.

the problem:

the host has internet , lan connectivity.
vm has no internet nor lan connectivity, able ping host.
host can ping vm.
vm not receive ip address via dhcp (yes there dhcp server active in our lan)
assigning static ip address vm not work (it can ping host, not lan or internet).

it seems external virtual switch acting internal one. atleast, shows same behaviour. network card in desktop intel 82578dm wired network card.

what doing wrong here? using exact same setup on our 2012 datacenter servers working fine. there maybe wrong network adapter driver?

usually, first thing try delete virtual switches.  , start over.

there script has worked folks clean weirdness - http://archive.msdn.microsoft.com/nvspscrub

brian ehlert
http://itproctology.blogspot.com
learn. apply. repeat.
disclaimer: attempting change of own free will.



Windows Server  >  Hyper-V



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