Show clear logon background: registry value DisableAcrylicBackgroundOnLogonComputerHKLM\Software\Policies\Microsoft\Windows\System

Policy ID

DisableAcrylicBackgroundOnLogon

Scope

Computer Configuration

Supported on

At least Windows Server 2016, Windows 10 Version 1903

Source

Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)

Category

System › Logon

Registry