Enable or Disable Credential Guard in 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:

Sicurezza hardware
Sicurezza basata sulla virtualizzazione
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.

Enable or Disable Credential Guard in Windows 10

Assicurati di creare un punto di ripristino nel caso in cui qualcosa vada storto.

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.Premere il tasto Windows + R quindi digitare regedit e premi Invio per aprire Editor criteri di gruppo.

2. Passare al seguente percorso:

Computer Configuration > Administrative Templates > System > Device Guard

3.Assicurati di selezionare Device Guard than in right window pane double-click on “Turn On Virtualization Based Security” politica.

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

5.Now from the “Select Platform Security Level" seleziona dal menu a discesa Secure Boot or Secure Boot and DMA Protezione.

6.Next, from “Credential Guard Configuration" seleziona dal menu a discesa 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.Riavvia il PC per salvare le modifiche.

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.Premere il tasto Windows + R quindi digitare appwiz.cpl e premi Invio per aprire Program and Features.

2.From the left-hand window click on “Attiva o disattiva le funzionalità di Windows".

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

4.Under Hyper-V Platform segno di spunta "Hyper-V Hypervisor".

5.Now scroll down and checkmark “Isolated User Mode” e fare clic su OK.

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

1.Premere il tasto Windows + X quindi selezionare Prompt dei comandi (amministratore).

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.

Enable or Disable Credential Guard in Windows 10

1.Premere il tasto Windows + R quindi digitare regedit e premi Invio per aprire Editor del Registro.

2. Passare alla seguente chiave di registro:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3.Fare clic con il pulsante destro del mouse su DeviceGuard Quindi seleziona Nuovo > Valore DWORD (32 bit).

4.Nomina questo DWORD appena creato come AbilitaVirtualizationBasedSecurity e premi Invio.

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 Nuovo> Valore DWORD (32 bit) e chiama questa DWORD come RequirePlatformSecurityFeatures quindi premi Invio.

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.Ora vai alla seguente chiave di registro:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Nuovo> Valore DWORD (32 bit) then name this DWORD as LsaCfgFlags e premi Invio.

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.Una volta terminato, chiudi l'editor del Registro di sistema.

Disable Credential Guard in Windows 10

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

1.Premere il tasto Windows + R quindi digitare regedit e premi Invio per aprire Editor del 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 dei comandi (amministratore).

4.Digita il seguente comando in cmd e premi Invio:

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.

Consigliato:

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