Disable installing Windows apps on non-system volumes

Policy ID: DisableDeploymentToNonSystemVolumes
Scope: Computer Configuration
Supported on: At least Windows 8.1 Update 2
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › App Package Deployment

Description

This policy setting allows you to manage installing Windows apps on additional volumes such as secondary partitions, USB drives, or SD cards.

If you enable this setting, you can't move or install Windows apps on volumes that are not the system volume.

If you disable or do not configure this setting, you can move or install Windows apps on other volumes.

ComputerHKEY_LOCAL_MACHINE