HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization

Force a specific default lock screen and logon image
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\LockScreenImage
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\LockScreenOverlaysDisabled
Prevent changing start menu background
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\NoChangingStartMenuBackground
Force a specific Start background
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\ForceStartBackground
Force a specific background and accent color
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\PersonalColors_Background
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\PersonalColors_Accent
Prevent enabling lock screen camera
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\NoLockScreenCamera
Prevent enabling lock screen slide show
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\NoLockScreenSlideshow
Prevent lock screen background motion
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\AnimateLockScreenBackground
Prevent changing lock screen and logon image
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\NoChangingLockScreen
Do not display the lock screen
- HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Personalization\NoLockScreen