I’ve been getting a problem with my Virtual Server machines for some time. It looked like every now and again the VM would not be on the network. Examining the VM event log showed, "could not initialize the emulated Ethernet controller." However whenever I decided to look into the problem it would magically start working again. Well eventually I got fed up with it and decided to have quick web search. Finally I discovered that I’m not alone with this problem and there is a simple workaround for the problem too…
http://connect.microsoft.com/feedback/ViewFeedback.aspx?FeedbackID=214204&SiteID=151
[Edit] It appears this link no longer works, I’m looking into getting the official answer, what this space.
The workaround also goes some way to explaining why I would "fix" it by simply rechecking the settings!
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