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.

Enumeration policy

0. Block all
   

   Registry Hive	HKEY_LOCAL_MACHINE
   Registry Path	Software\Policies\Microsoft\Windows\Kernel DMA Protection
   Value Name	DeviceEnumerationPolicy
   Value Type	REG_DWORD
   Value	0

1. Only while logged in (default)
   

   Registry Hive	HKEY_LOCAL_MACHINE
   Registry Path	Software\Policies\Microsoft\Windows\Kernel DMA Protection
   Value Name	DeviceEnumerationPolicy
   Value Type	REG_DWORD
   Value	1

2. Allow all
   

   Registry Hive	HKEY_LOCAL_MACHINE
   Registry Path	Software\Policies\Microsoft\Windows\Kernel DMA Protection
   Value Name	DeviceEnumerationPolicy
   Value Type	REG_DWORD
   Value	2