There are several scenarios where you might need to download and use this specific .cab file manually:
Common scenarios and troubleshooting
Invoke-Command -ComputerName PC01, PC02 -ScriptBlock dism /online /add-package /packagepath:"\\server\deploy\sxs\microsoft-windows-netfx3-ondemand-package.cab" /quiet /norestart Microsoft-windows-netfx3-ondemand-package.cab Download