Hi Andrew,
Thank you for sharing this to us. Andre Da Costa created a thread for the steps on how to Upgrade Windows 10 Fall Creators Update using an ISO file. You can click on this link for more information.
Let us know how it goes.
Failing with the standard error message.. but got a bit more information
It failed with an error code 0xC1900101-0x30018
Still pointing to a bad device.. another page recommended sending a copy of the system information
is there a way to send a a .nfo file to you
Andrew