Enumeration policy for external devices incompatible with Kernel DMA Protection

Policy ID: DmaGuardEnumerationPolicy
Scope: Computer Configuration
Supported on: At least Windows Server 2016, Windows 10
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: System › Kernel DMA Protection

Description

Enumeration policy for external DMA-capable devices incompatible with DMA remapping. This policy only takes effect when Kernel DMA Protection is enabled and supported by the system. Note: this policy does not apply to 1394, PCMCIA or ExpressCard devices.

Options

Enumeration policy
- Block all
- Only while logged in (default)
- Allow all

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows\Kernel DMA Protection View registry values

DeviceEnumerationPolicyREG_DWORD

Other policies in the same category

View all policies in this category (1)