Install RSAT Tools on Windows 10
From DFWLPiki
First, Verify your current RSAT tools state. Verify again after your install process is completed.
Get-WindowsCapability -Name RSAT* -Online | Select-Object -Property DisplayName, State
This script will temporarily disable using WSUS settings as update source and switch to online. After completion, it switches back to WSUS Source.
$currentWU = Get-ItemProperty -Path “HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU” -Name “UseWUServer” | select -ExpandProperty UseWUServer Set-ItemProperty -Path “HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU” -Name “UseWUServer” -Value 0 Restart-Service wuauserv Get-WindowsCapability -Name RSAT* -Online | Add-WindowsCapability –Online Set-ItemProperty -Path “HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate\AU” -Name “UseWUServer” -Value $currentWU Restart-Service wuauserv
No idea why WSUS Feature on Demand isnt working, but it is what it is.