However, the latter setting was only able to configure the lock screen image and not the desktop image. Before Windows 10, version 1703, this was possible by using an MSI or by using the EnforceLockScreenAndLogonImage setting.
This blog post is about the ability to easily configure separate images for the desktop and the lock screen on Windows 10 devices. This CSP was added in Windows 10, version 1703, which is currently available as Insider Preview build.
This blog post uses the Personalization configuration service provider (CSP) to manage the desktop and lock screen image on Windows 10 devices.
