UPDATE #3 – 6/28/2018 Feel free to read below, however, if you want the quick solution, check out Marc’s updated blog post. He’s put together a simple solution to this issue. http://blog.ctglobalservices.com/configuration-manager-sccm/mag/devicemap-and-device-inventory-failures-in-win7-to-win10-1709-in-place-upgrades/…