Prevent changing lock screen and logon image: registry value NoChangingLockScreenComputerHKLM\Software\Policies\Microsoft\Windows\Personalization
- Policy ID
- CPL_Personalization_NoChangingLockScreen
- Scope
- Computer Configuration
- Supported on
- At least Windows Server 2012, Windows 8 or Windows RT
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- Control Panel › Personalization