That could explain the USB devices also - PXE boot to USB to run Windows, do its thing pull the USB and reboot. Easy - I do it often for scrubbing pcs of hard to remove malware.
Sorry i typed quickly - what i was thinking - have something like Serva running already locally off a USB. That is the master - then all local PXE boots possibly could be configured to pull from there. When all is done pull the sticks.
That could explain the USB devices also - PXE boot to USB to run Windows, do its thing pull the USB and reboot. Easy - I do it often for scrubbing pcs of hard to remove malware.
Sorry i typed quickly - what i was thinking - have something like Serva running already locally off a USB. That is the master - then all local PXE boots possibly could be configured to pull from there. When all is done pull the sticks.
Or simply all the usb sticks were wifi dongles.