UsoClient Deep Dive: Undocumented Commands and Enterprise Applications This technical deep dive presents an analysis and reverse engineering of UsoClient.exe and its supporting libraries (notably UsoClientImpl.dll ), uncovering both documented and undocumented command-line switches used internally by the Windows Update orchestration engine. The objective is to better understand hidden update behaviors and how they may be invoked in enterprise environments such as Intune, ConfigMgr, or scripts running under SYSTEM context. This started as an exploration into using notify download in Intune without a deadline and then triggering the installation of updates and reboot.  Windows Update settings you can manage with Intune Update Ring policies for Windows 10/11 devices. | Microsoft Learn Notify download  - Notify the user before downloading the update. Users choose to download and install updates.  Important If the user takes no action, the update will not install until the de...