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 b315be80ea..63b387c407 100644 --- a/windows/security/identity-protection/credential-guard/credential-guard-manage.md +++ b/windows/security/identity-protection/credential-guard/credential-guard-manage.md @@ -20,6 +20,7 @@ ms.date: 03/01/2019 **Applies to** - Windows 10 - Windows Server 2016 +- Windows Server 2019 ## Enable Windows Defender Credential Guard @@ -134,8 +135,7 @@ DG_Readiness_Tool_v3.5.ps1 -Ready ``` > [!NOTE] - -For client machines that are running Windows 10 1703, LsaIso.exe is running whenever virtualization-based security is enabled for other features. +> For client machines that are running Windows 10 1703, LsaIso.exe is running whenever virtualization-based security is enabled for other features. - We recommend enabling Windows Defender Credential Guard before a device is joined to a domain. If Windows Defender Credential Guard is enabled after domain join, the user and device secrets may already be compromised. In other words, enabling Credential Guard will not help to secure a device or identity that has already been compromised, which is why we recommend turning on Credential Guard as early as possible. @@ -157,13 +157,14 @@ To disable Windows Defender Credential Guard, you can use the following set of p 1. If you used Group Policy, disable the Group Policy setting that you used to enable Windows Defender Credential Guard (**Computer Configuration** -> **Administrative Templates** -> **System** -> **Device Guard** -> **Turn on Virtualization Based Security**). 2. Delete the following registry settings: - HKEY\_LOCAL\_MACHINE\\System\\CurrentControlSet\\Control\\LSA\LsaCfgFlags + - HKEY\_LOCAL\_MACHINE\\Software\\Policies\\Microsoft\\Windows\\DeviceGuard\\LsaCfgFlags +3. If you also wish to disable virtualization-based security delete the following registry settings: - HKEY\_LOCAL\_MACHINE\\Software\\Policies\\Microsoft\\Windows\\DeviceGuard\\EnableVirtualizationBasedSecurity - HKEY\_LOCAL\_MACHINE\\Software\\Policies\\Microsoft\\Windows\\DeviceGuard\\RequirePlatformSecurityFeatures - > [!IMPORTANT] > If you manually remove these registry settings, make sure to delete them all. If you don't remove them all, the device might go into BitLocker recovery. -3. Delete the Windows Defender Credential Guard EFI variables by using bcdedit. From an elevated command prompt, type the following commands: +4. Delete the Windows Defender Credential Guard EFI variables by using bcdedit. From an elevated command prompt, type the following commands: ``` syntax mountvol X: /s @@ -171,18 +172,20 @@ To disable Windows Defender Credential Guard, you can use the following set of p bcdedit /create {0cb3b571-2f2e-4343-a879-d86a476d7215} /d "DebugTool" /application osloader bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} path "\EFI\Microsoft\Boot\SecConfig.efi" bcdedit /set {bootmgr} bootsequence {0cb3b571-2f2e-4343-a879-d86a476d7215} - bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} loadoptions DISABLE-LSA-ISO,DISABLE-VBS + bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} loadoptions DISABLE-LSA-ISO bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} device partition=X: - bcdedit /set hypervisorlaunchtype off mountvol X: /d ``` -2. Restart the PC. -3. Accept the prompt to disable Windows Defender Credential Guard. -4. Alternatively, you can disable the virtualization-based security features to turn off Windows Defender Credential Guard. +5. Restart the PC. +6. Accept the prompt to disable Windows Defender Credential Guard. +7. Alternatively, you can disable the virtualization-based security features to turn off Windows Defender Credential Guard. > [!NOTE] -> The PC must have one-time access to a domain controller to decrypt content, such as files that were encrypted with EFS. If you want to turn off both Windows Defender Credential Guard and virtualization-based security, run the following bcdedit command after turning off all virtualization-based security Group Policy and registry settings: bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} loadoptions DISABLE-LSA-ISO,DISABLE-VBS +> The PC must have one-time access to a domain controller to decrypt content, such as files that were encrypted with EFS. If you want to turn off both Windows Defender Credential Guard and virtualization-based security, run the following bcdedit commands after turning off all virtualization-based security Group Policy and registry settings: + + bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} loadoptions DISABLE-LSA-ISO,DISABLE-VBS + bcdedit /set vsmlaunchtype off > [!NOTE] > Credential Guard and Device Guard are not currently supported when using Azure IaaS VMs. These options will be made available with future Gen 2 VMs.