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Justin Hall 2018-12-07 11:49:14 -08:00
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commit dcb4ee8155
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windows/security/information-protection/kernel-dma-protection-for-thunderbolt.md
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@ -6,7 +6,7 @@ ms.mktglfcycl: deploy
ms.sitesec: library ms.sitesec: library
ms.pagetype: security ms.pagetype: security
author: aadake author: aadake
ms.date: 10/03/2018 ms.date: 12/08/2018
--- ---
# Kernel DMA Protection for Thunderbolt™ 3 # Kernel DMA Protection for Thunderbolt™ 3
@ -65,11 +65,17 @@ Systems released prior to Windows 10 version 1803 do not support Kernel DMA Prot
Systems running Windows 10 version 1803 that do support Kernel DMA Protection do have this security feature enabled automatically by the OS with no user or IT admin configuration required. Systems running Windows 10 version 1803 that do support Kernel DMA Protection do have this security feature enabled automatically by the OS with no user or IT admin configuration required.
**To check if a device supports Kernel DMA Protection** ### Using Security Center
Beginning with Wndows 10 version 1809, you can use Security Center to check if Kernel DMA Protection is enabled. Click **Start** > **Settings** > **Update & Security** > **Windows Security** > **Open Windows Security** > **Device security** > **Core isolation details**.
![Kernel DMA protection in Security Center](bitlocker/images/kernel-dma-protection-security-center.png)
### Using System information
1. Launch MSINFO32.exe in a command prompt, or in the Windows search bar. 1. Launch MSINFO32.exe in a command prompt, or in the Windows search bar.
2. Check the value of **Kernel DMA Protection**. 2. Check the value of **Kernel DMA Protection**.
![Kernel DMA protection](bitlocker/images/kernel-dma-protection.png) ![Kernel DMA protection in System Information](bitlocker/images/kernel-dma-protection.png)
3. If the current state of **Kernel DMA Protection** is OFF and **Virtualization Technology in Firmware** is NO: 3. If the current state of **Kernel DMA Protection** is OFF and **Virtualization Technology in Firmware** is NO:
- Reboot into BIOS settings - Reboot into BIOS settings
- Turn on Intel Virtualization Technology. - Turn on Intel Virtualization Technology.