Enable kernel dma protection gpo. Apr 15, 2025 · If Pre-boot DMA Protection and Kernel DMA Protection indicator are visible, set them from Auto/Disabled to Enabled You may need to open NBIO Common Options to find these settings Otherwise, if you have an Intel CPU: Go to System Agent (SA) Configuration Set VT-d to Enabled If Control IOMMU Pre-boot behavior is visible, set it to Enable IOMMU We would like to show you a description here but the site won’t allow us. With this feature, the OS and the system firmware protect the system against malicious and unintended Direct Memory Access (DMA) attacks for all DMA-capable devices: During Apr 13, 2024 · Windows Defender Device Guard: Some systems include an option to enable Windows Defender Device Guard, which can also enable related protections. Some users want to disable it. This policy is intended to provide more security against external DMA capable devices. Dec 5, 2024 · Here's how to enable Secured-core server for domain members using Group Policy. It allows for more control over the enumeration of external DMA-capable devices that are not compatible with DMA Remapping/device memory isolation and sandboxing. 24. In the console tree, select Computer Configuration > Administrative Templates > System > Device Guard. Sep 28, 2025 · Kernel DMA protection is a Windows security feature. Jul 29, 2025 · Learn about the available options to configure BitLocker and how to configure them via Configuration Service Providers (CSP) or group policy (GPO).