How to Enable or Disable Device Guard on Windows 10

This updated guide examines How to Enable or Disable Device Guard on Windows 10 and organizes the essential facts, background, and practical takeaways in clear American English.

This tutorial will show you how to enable or disable security based on Device Guard virtualization on Windows 10 Enterprise and Windows 10 Education PCs.

You must log on as an administrator to enable or disable Device Guard.

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How to enable or disable Device Guard

Step 1 . Open the Windows Features.

In Windows 10 Enterprise / Education version 1607 or later, select Hyper-V Hypervisor in Hyper-V and click OK .

In Windows 10 Enterprise / Education versions before version 1607, select Hyper-V Hypervisor in Hyper-V, select Isolated User Mode and click OK .

Step 2 . Open Local Group Policy Editor.

Step 3 . Navigate to the following key in the left pane of Local Group Policy Editor.

Computer ConfigurationAdministrative TemplatesSystemDevice Guard

Step 4 . In the right pane of Device Guard in the Local Group Policy Editor, double-click the Turn On Virtualization Based Security policy to edit it.

Step 5 . Follow Step 6 (turn on) or Step 7 (off).

Step 6 . To activate Device Guard

• Select Enabled .
• In Options, select Secure Boot or Secure Boot and DMA Protection in the Select Platform Security Level drop-down menu.

Note: TheSecure Boot (recommended) option provides secure boot with multiple protections supported by specific computer hardware. A computer with an input / output memory manager (IOMMUs) will have a safe boot with DMA protection. A computer without IOMMUs will only activate secure boot.

Secure Boot with DMA will enable secure booting and VBS only on computers that support DMA, ie computers with IOMMUs. With this setting, any computer without IOMMU will not have VBS protection (hardware-based), although it can enable code integrity policies.

• In Options, select Enabled with UEFI lock or Enabled without lock in the Virtualization Based Protection drop-down menu of Code Integrity.

Note:Enabled with UEFI lock option ensures Virtualization Based Protection of Code Integrity is not disabled remotely. To disable this feature, you need to set up Group Policy Disabled as well as delete the security for each computer with the current user to delete the configuration on UEFI.

Option Enabled without lock for Virtualization Based Protection of Code Integrity is remotely disabled using Group Policy.

• If you wish, you can also activate Credential Guard by selecting Enabled with UEFI lock or Enabled without lock in the drop-down menu Credential Guard Configuration.

Note:Enabled with UEFI lock option ensures Credential Guard is not disabled remotely. To turn off this feature, you must set Group Policy to Disabled as well as delete the security function in each computer with the current user to delete the configuration in UEFI.

Enabled without lock option allows Credential Guard to be turned off remotely using Group Policy. Devices using this installation need to run on the operating system from Windows 10 (Version 1511) or later.

• Go to Step 8.

Step 7 . To disable Device Guard

Select Not Configured or Disabled , click OK and go to Step 8.

Note : Not Configured is the default setting.

Step 8 . Close Local Group Policy Editor.

Step 9 . Restart the computer to apply changes.

I wish you all success!