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Nework Error After VirtualBox Upgrade

I decided to upgrade  VirtualBox because the newer versions have much better support for networks that allow virtual computer to be visible on the real network.

But after upgrade I encountered the error

"HostInterface’: The attribute ‘name’ is required but missing."

It seems others have had similar issues

I resolved this by deleting this entry:


from the config file, in my case this was


After this the virtual machine worked fine - and the new network settings are great.