New here and have a question

[robinsmidsrod]

You need to follow the steps on http://ipxe.org/howto/winpe to load the Windows installer from a network share instead of the CD. If you press Shift-F10 when the installer is started you should be able to run "wpeinit" to init the network and use "net use w: \\host\share" to connect up the location where your windows setup.exe is located.

The reason you see this error is because WinPE knows nothing about the "virtual" CD you just booted from. Once the Windows kernel boots up that information is lost.