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Microsoft.Policies.DmaGuard• Machine

Enumeration policy for external devices incompatible with Kernel DMA Protection

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.

Policy Details

Policy Name
DmaGuardEnumerationPolicy
Registry Key
Software\Policies\Microsoft\Windows\Kernel DMA Protection
Supported On
At least Windows Server 2016, Windows 10
Available Languages
en-us

Configuration Elements

Enumeration policy

Type: enum

Allowed Values
  • 0 Block all
  • 1 Only while logged in (default)
  • 2 Allow all