Yah, admittedly i'm not running the latest & greatest WUInstall either..



C:\>C:\WuInstall_11\WUInstall.exe /search

WuInstall Version 1.1.

Copyright by hs2n Informationstechnologie GmbH...

I believe i've got a not-so elegant workaround , using WUInstall to get the Win10 Home machines to at least pull their needed patches from the WSUS datastore.. even if they don't actually register...