diff --git a/windows/security/identity-protection/credential-guard/credential-guard-manage.md b/windows/security/identity-protection/credential-guard/credential-guard-manage.md index 4c6b1e2b9d..0ff8876a89 100644 --- a/windows/security/identity-protection/credential-guard/credential-guard-manage.md +++ b/windows/security/identity-protection/credential-guard/credential-guard-manage.md @@ -36,9 +36,13 @@ The same set of procedures used to enable Windows Defender Credential Guard on p You can use Group Policy to enable Windows Defender Credential Guard. This will add and enable the virtualization-based security features for you if needed. 1. From the Group Policy Management Console, go to **Computer Configuration** -> **Administrative Templates** -> **System** -> **Device Guard**. + 2. Double-click **Turn On Virtualization Based Security**, and then click the **Enabled** option. + 3. In the **Select Platform Security Level** box, choose **Secure Boot** or **Secure Boot and DMA Protection**. + 4. In the **Credential Guard Configuration** box, click **Enabled with UEFI lock**, and then click **OK**. If you want to be able to turn off Windows Defender Credential Guard remotely, choose **Enabled without lock**. + 5. In the **Secure Launch Configuration** box, choose **Not Configured**, **Enabled** or **Disabled**. Check [this article](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-system-guard/system-guard-secure-launch-and-smm-protection) for more details. ![Windows Defender Credential Guard Group Policy setting](images/credguard-gp-2.png) @@ -49,8 +53,10 @@ To enforce processing of the group policy, you can run ```gpupdate /force```. ### Enable Windows Defender Credential Guard by using Intune -1. From **Home** click **Microsoft Intune** -2. Click **Device configuration** +1. From **Home**, click **Microsoft Intune**. + +2. Click **Device configuration**. + 3. Click **Profiles** > **Create Profile** > **Endpoint protection** > **Windows Defender Credential Guard**. > [!NOTE] @@ -66,6 +72,7 @@ Starting with Windows 10, version 1607 and Windows Server 2016, enabling Windows If you are using Windows 10, version 1507 (RTM) or Windows 10, version 1511, Windows features have to be enabled to use virtualization-based security. You can do this by using either the Control Panel or the Deployment Image Servicing and Management tool (DISM). + > [!NOTE] > If you enable Windows Defender Credential Guard by using Group Policy, the steps to enable Windows features through Control Panel or DISM are not required. Group Policy will install Windows features for you. @@ -73,22 +80,31 @@ You can do this by using either the Control Panel or the Deployment Image Servic **Add the virtualization-based security features by using Programs and Features** 1. Open the Programs and Features control panel. + 2. Click **Turn Windows feature on or off**. + 3. Go to **Hyper-V** -> **Hyper-V Platform**, and then select the **Hyper-V Hypervisor** check box. + 4. Select the **Isolated User Mode** check box at the top level of the feature selection. + 5. Click **OK**. **Add the virtualization-based security features to an offline image by using DISM** 1. Open an elevated command prompt. + 2. Add the Hyper-V Hypervisor by running the following command: - ``` + + ```console dism /image: /Enable-Feature /FeatureName:Microsoft-Hyper-V-Hypervisor /all ``` + 3. Add the Isolated User Mode feature by running the following command: - ``` + + ```console dism /image: /Enable-Feature /FeatureName:IsolatedUserMode ``` + > [!NOTE] > In Windows 10, version 1607 and later, the Isolated User Mode feature has been integrated into the core operating system. Running the command in step 3 above is therefore no longer required. @@ -100,11 +116,13 @@ You can do this by using either the Control Panel or the Deployment Image Servic 1. Open Registry Editor. 2. Enable virtualization-based security: + - Go to HKEY\_LOCAL\_MACHINE\\System\\CurrentControlSet\\Control\\DeviceGuard. - Add a new DWORD value named **EnableVirtualizationBasedSecurity**. Set the value of this registry setting to 1 to enable virtualization-based security and set it to 0 to disable it. - Add a new DWORD value named **RequirePlatformSecurityFeatures**. Set the value of this registry setting to 1 to use **Secure Boot** only or set it to 3 to use **Secure Boot and DMA protection**. 3. Enable Windows Defender Credential Guard: + - Go to HKEY\_LOCAL\_MACHINE\\System\\CurrentControlSet\\Control\\LSA. - Add a new DWORD value named **LsaCfgFlags**. Set the value of this registry setting to 1 to enable Windows Defender Credential Guard with UEFI lock, set it to 2 to enable Windows Defender Credential Guard without lock, and set it to 0 to disable it. @@ -120,9 +138,10 @@ You can do this by using either the Control Panel or the Deployment Image Servic You can also enable Windows Defender Credential Guard by using the [HVCI and Windows Defender Credential Guard hardware readiness tool](dg-readiness-tool.md). -``` +```console DG_Readiness_Tool.ps1 -Enable -AutoReboot ``` + > [!IMPORTANT] > When running the HVCI and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSArch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. > This is a known issue. @@ -134,7 +153,9 @@ DG_Readiness_Tool.ps1 -Enable -AutoReboot You can view System Information to check that Windows Defender Credential Guard is running on a PC. 1. Click **Start**, type **msinfo32.exe**, and then click **System Information**. + 2. Click **System Summary**. + 3. Confirm that **Credential Guard** is shown next to **Virtualization-based security Services Configured**. Here's an example: @@ -143,9 +164,10 @@ You can view System Information to check that Windows Defender Credential Guard You can also check that Windows Defender Credential Guard is running by using the [HVCI and Windows Defender Credential Guard hardware readiness tool](dg-readiness-tool.md). -``` +```console DG_Readiness_Tool_v3.6.ps1 -Ready ``` + > [!IMPORTANT] > When running the HVCI and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `*$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSArch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. > This is a known issue. @@ -165,7 +187,7 @@ DG_Readiness_Tool_v3.6.ps1 -Ready - **Event ID 17** Error reading Windows Defender Credential Guard (LsaIso.exe) UEFI configuration: \[error code\] You can also verify that TPM is being used for key protection by checking Event ID 51 in the **Microsoft** -> **Windows** -> **Kernel-Boot** event source. If you are running with a TPM, the TPM PCR mask value will be something other than 0. - **Event ID 51** VSM Master Encryption Key Provisioning. Using cached copy status: **0x0**. Unsealing cached copy status: 0x1. New key generation status: 0x1. Sealing status: **0x1**. TPM PCR mask: **0x0**. - - You can use Windows Powershell to determine whether credential guard is running on a client computer. On the computer in question, open an elevated Powershell window and run the following command: + - You can use Windows PowerShell to determine whether credential guard is running on a client computer. On the computer in question, open an elevated PowerShell window and run the following command: ```powershell (Get-CimInstance -ClassName Win32_DeviceGuard -Namespace root\Microsoft\Windows\DeviceGuard).SecurityServicesRunning @@ -195,7 +217,7 @@ To disable Windows Defender Credential Guard, you can use the following set of p 4. Delete the Windows Defender Credential Guard EFI variables by using bcdedit. From an elevated command prompt, type the following commands: - ``` syntax + ```console mountvol X: /s copy %WINDIR%\System32\SecConfig.efi X:\EFI\Microsoft\Boot\SecConfig.efi /Y bcdedit /create {0cb3b571-2f2e-4343-a879-d86a476d7215} /d "DebugTool" /application osloader @@ -232,9 +254,10 @@ For more info on virtualization-based security and HVCI, see [Enable virtualizat You can also disable Windows Defender Credential Guard by using the [HVCI and Windows Defender Credential Guard hardware readiness tool](dg-readiness-tool.md). -``` +```console DG_Readiness_Tool_v3.6.ps1 -Disable -AutoReboot ``` + > [!IMPORTANT] > When running the HVCI and Windows Defender Credential Guard hardware readiness tool on a non-English operating system, within the script, change `*$OSArch = $(gwmi win32_operatingsystem).OSArchitecture` to be `$OSArch = $((gwmi win32_operatingsystem).OSArchitecture).tolower()` instead, in order for the tool to work. > This is a known issue. @@ -243,7 +266,7 @@ DG_Readiness_Tool_v3.6.ps1 -Disable -AutoReboot From the host, you can disable Windows Defender Credential Guard for a virtual machine: -``` PowerShell +```powershell Set-VMSecurity -VMName -VirtualizationBasedSecurityOptOut $true ```