Habilita o desactiva Credential Guard a 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:

Seguretat del maquinari
Seguretat basada en la virtualització
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.

Habilita o desactiva Credential Guard a Windows 10

Assegureu-vos de crear un punt de restauració per si alguna cosa va malament.

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

Nota: 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.Premeu la tecla Windows + R i després escriviu regedit i premeu Retorn per obrir Editor de polítiques de grup.

2. Navegueu al camí següent:

Computer Configuration > Administrative Templates > System > Device Guard

3.Assegureu-vos de seleccionar Guàrdia de dispositius than in right window pane double-click on “Turn On Virtualization Based Security” política.

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

5.Now from the “Select Platform Security Level” drop-down select Secure Boot or Secure Boot and DMA Protecció.

6.Next, from “Credential Guard Configuration” drop-down select 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.Reinicieu el vostre PC per desar els canvis.

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.Premeu la tecla Windows + R i després escriviu appwiz.cpl i premeu Retorn per obrir Program and Features.

2.From the left-hand window click on “Activa o desactiva les funcions de Windows".

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

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

5.Now scroll down and checkmark “Isolated User Mode” i feu clic a D'acord.

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

1.Premeu la tecla Windows + X i després seleccioneu Indicador d'ordres (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.

Habilita o desactiva Credential Guard a Windows 10

1.Premeu la tecla Windows + R i després escriviu regedit i premeu Retorn per obrir Editor del Registre.

2.Navegueu a la següent clau de registre:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3.Feu clic amb el botó dret DeviceGuard Llavors seleccioneu Nou > Valor DWORD (32 bits).

4.Anomena aquest DWORD acabat de crear com Activa la seguretat basada en la virtualització i prem Entrar.

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 Nou> Valor DWORD (32 bits) i anomeneu aquest DWORD com RequirePlatformSecurityFeatures premeu Intro.

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.Ara navegueu a la següent clau de registre:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Nou> Valor DWORD (32 bits) then name this DWORD as LsaCfgFlags i prem Entrar.

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 usant el Device Guard and Credential Guard hardware readiness tool or the following method:

1.Premeu la tecla Windows + R i després escriviu regedit i premeu Retorn per obrir Editor del Registre.

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 Indicador d'ordres (Admin).

4.Escriviu la següent comanda a cmd i premeu 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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