Bug#700642: looks like this is fixed in rc1

I tried to install it in virtualbox, I suceeded installing the debian package without the network ports being enabled.

Bug#700642: Error in installing debian wheezy

When installing debian using usb drive we came across the following issues: grub install failed because it was trying to get grub from the internet when internet connection was not available. Next we have tried installing it without configuring the network ports also but still we came up with the