Habilitar ou desabilitar o Credential Guard no Windows 10

Enable or Disable Credential Guard in Windows 10: Windows Credential Guard uses virtualization-based security to isolate secrets so that only privileged system software can access them. Unauthorized access to these secrets can lead to credential theft attacks, such as Pass-the-Hash or Pass-The-Ticket. Windows Credential Guard prevents these attacks by protecting NTLM password hashes, Kerberos Ticket Granting Tickets, and credentials stored by applications as domain credentials.

By enabling Windows Credential Guard the following features and solutions are provided:

Segurança de hardware
Segurança baseada em virtualização
Better protection against advanced persistent threats

Now you know the importance of the Credential Guard, you should definitely enable this for your system. So without wasting any time let’s see How to Enable or Disable Credential Guard in Windows 10 with the help of the below-listed tutorial.

Habilitar ou desabilitar o Credential Guard no Windows 10

Certifique-se de criar um ponto de restauração caso algo dê errado.

Method 1: Enable or Disable Credential Guard in Windows 10 using Group Policy Editor

Observação: This method only works if you have Windows Pro, Education, or Enterprise Edtion. For Windows Home version users skip this method and follow the next one.

1.Pressione a tecla Windows + R e digite regedit e pressione Enter para abrir Editor de Diretiva de Grupo.

2. Navegue até o seguinte caminho:

Computer Configuration > Administrative Templates > System > Device Guard

3. Certifique-se de selecionar Guarda de dispositivo than in right window pane double-click on “Turn On Virtualization Based Security” .

4.In the Properties window of the above policy make sure to select Ativado.

5.Now from the “Select Platform Security Level”seleção suspensa Secure Boot or Secure Boot and DMA Proteção.

6.Next, from “Credential Guard Configuration”seleção suspensa Enabled with UEFI lock. If you want to turn off Credential Guard remotely, choose Enabled without lock instead of Enabled with UEFI lock.

7.Once finished, click Apply followed by OK.

8.Reinicie seu PC para salvar as alterações.

Method 2: Enable or Disable Credential Guard in Windows 10 using Registry Editor

Credential Guard uses virtualization-based security features which have to be enabled first from Windows feature before you can enable or disable Credential Guard in Registry Editor. Make sure to only use one of the below-listed methods to enable virtualization-based security features.

Add the virtualization-based security features by using Programs and Features

1.Pressione a tecla Windows + R e digite appwiz.cpl e pressione Enter para abrir Program and Features.

2.From the left-hand window click on “Ativar ou desativar recursos do Windows".

3.Find and expand Hyper-V then similarly expand Hyper-V Platform.

4.Under Hyper-V Platform marca de seleção "Hyper-V Hypervisor".

5.Now scroll down and checkmark “Isolated User Mode” e clique em OK.

Add the virtualization-based security features to an offline image by using DISM

1.Pressione a tecla Windows + X e selecione Prompt de comando (Admin).

2.Type the following command into cmd to add the Hyper-V Hypervisor and hit Enter:

dism /image:<WIM file name> /Enable-Feature /FeatureName:Microsoft-Hyper-V-Hypervisor /all
OR
dism /Online /Enable-Feature:Microsoft-Hyper-V /All

3.Add the Isolated User Mode feature by running the following command:

dism /image:<WIM file name> /Enable-Feature /FeatureName:IsolatedUserMode
OR
dism /Online /Enable-Feature /FeatureName:IsolatedUserMode

4.Once finished, you can close the command prompt.

Habilitar ou desabilitar o Credential Guard no Windows 10

1.Pressione a tecla Windows + R e digite regedit e pressione Enter para abrir Editor do Registro.

2. Navegue até a seguinte chave de registro:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3. Clique com o botão direito em DeviceGuard Em seguida, selecione Novo > Valor DWORD (32 bits).

4. Nomeie este DWORD recém-criado como Habilitar segurança baseada em virtualização e pressione Enter.

5.Double-click on EnableVirtualizationBasedSecurity DWORD then change its value to:

To Enable Virtualization-based Security: 1
To Disable Virtualization-based Security: 0

6.Now again right-click on DeviceGuard then select Novo> Valor DWORD (32 bits) and name this DWORD as RequirePlatformSecurityFeatures em seguida, pressione Enter.

7.Double-click on RequirePlatformSecurityFeatures DWORD and change it’s value to 1 to use Secure Boot only or set it to 3 to use Secure Boot and DMA protection.

8.Now navigate to the following registry key:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Novo> Valor DWORD (32 bits) then name this DWORD as LsaCfgFlags e pressione Enter.

10.Double-click on LsaCfgFlags DWORD and change its value according to:

Disable Credential Guard: 0
Enable Credential Guard with UEFI lock: 1
Enable Credential Guard without lock: 2

11.Once finished, close Registry Editor.

Disable Credential Guard in Windows 10

If Credential Guard was enabled without UEFI Lock then you can Disable Windows Credential Guard usando o Device Guard and Credential Guard hardware readiness tool or the following method:

1.Pressione a tecla Windows + R e digite regedit e pressione Enter para abrir Editor do Registro.

2.Navigate and delete the following registry keys:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSALsaCfgFlags
HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsDeviceGuardEnableVirtualizationBasedSecurity
HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsDeviceGuardRequirePlatformSecurityFeatures

3.Delete the Windows Credential Guard EFI variables by using bcdedit. Press Windows Key + X then select Prompt de comando (Admin).

4.Digite o seguinte comando em cmd e pressione Enter:

mountvol X: /s
copy %WINDIR%System32SecConfig.efi X:EFIMicrosoftBootSecConfig.efi /Y
bcdedit /create {0cb3b571-2f2e-4343-a879-d86a476d7215} /d "DebugTool" /application osloader
bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} path "EFIMicrosoftBootSecConfig.efi"
bcdedit /set {bootmgr} bootsequence {0cb3b571-2f2e-4343-a879-d86a476d7215}
bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} loadoptions DISABLE-LSA-ISO
bcdedit /set {0cb3b571-2f2e-4343-a879-d86a476d7215} device partition=X:
mountvol X: /d

5.Once finished, close command prompt and reboot your PC.

6.Accept the prompt to disable Windows Credential Guard.

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