Turn off automatic update of ADM files: registry value DisableAutoADMUpdateUserHKCU\Software\Policies\Microsoft\Windows\Group Policy Editor

Policy ID

DisableAutoADMUpdate

Scope

User Configuration

Supported on

Windows Server 2003, Windows XP, and Windows 2000 only

Source

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

Category

System › Group Policy

Registry