How to Disable Kernel DMA Protection on Windows 11?

Detailed explanation of DMA protection function of Windows 11 system kernel and disable method

Kernel DMA protection for Windows 11 is an important security feature that prevents external devices from unauthorized access to system memory. However, some users may need to disable this feature for compatibility or performance optimization reasons. This article will guide you on how to check and disable kernel DMA protection on Windows 11.

What is kernel DMA protection?

Kernel DMA protection is a security feature in Windows 11 that prevents unauthorized access to your system memory from external devices. However, some users may wish to disable it for various reasons, such as compatibility issues or performance optimization.

How to check if kernel DMA protection is enabled?

Systems that support kernel DMA protection will automatically enable this feature without the need for configuration by users or IT administrators. Here is how to check if kernel DMA protection is enabled:

You can use Windows Security settings to check that kernel DMA protection is enabled. The specific steps are as follows:

1. Press the Windows I key to open Settings. Then, go to Privacy and Security > Windows Security > Open the Windows Security Center .

2. Next, select Device Security > Core Isolation Details > Memory Access Protection .

Alternatively, you can use the System Information Application (msinfo32.exe). If the system supports kernel DMA protection, the kernel DMA protection value will be set to enabled .

How to disable kernel DMA protection?

To disable kernel DMA protection on Windows 11, you can follow these steps:

1. Press the Windows I key to open Settings. Then, go to Privacy and Security > Windows Security > Open the Windows Security Center .

2. Next, select Device Security > Core Isolation Details . Under Memory Access Protection, switch to Off. You may need to enter your administrator password or PIN to confirm the changes.

3. Restart your computer for the changes to take effect.

If the above method cannot disable kernel DMA protection, you can try disabling it in the BIOS. The way to disable kernel DMA protection depends on different BIOS manufacturers. It will be more helpful if you have a specific instruction manual. Please refer to the instructions of your computer manufacturer. But usually, the steps are as follows:

1. Press a specific key to enter the BIOS (the keys depend on your computer manufacturer).

2. After entering the BIOS, the DMA settings are usually found under the Security tab.

3. Select Kernel DMA Protection, and then select Disable .

Save and exit, and restart your computer.

How to protect your computer?

Whether or not kernel DMA protection is disabled on Windows 11, it is recommended that you regularly back up important data to protect data security, as virus attacks or malware attacks can cause data loss. To do this, you can try using the free backup software – MiniTool ShadowMaker. It can back up files, folders, systems and disks.

Conclusion

This article describes how to disable kernel DMA protection on Windows 11, and you can choose one of them according to your needs. Hope this article helps you.

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