Augusti 17, 2018

Aktivera eller inaktivera Credential Guard i 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.

Aktivera eller inaktivera Credential Guard i Windows 10

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

Hårdvarusäkerhet
Virtualiseringsbaserad säkerhet
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.

Aktivera eller inaktivera Credential Guard i Windows 10

Se till att skapa en återställningspunkt ifall något går fel.

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

Notera: 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.Tryck på Windows-tangenten + R och skriv sedan regedit och tryck Enter för att öppna Grupppolicyredigerare.

Kör kommandot regedit

2. Navigera till följande sökväg:

Computer Configuration > Administrative Templates > System > Device Guard

3.Se till att välja Enhetsvakt than in right window pane double-click on “Turn On Virtualization Based Security” politik.

Double-click on Turn On Virtualization Based Security Policy

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

Set Turn On Virtualization Based Security to Enabled

5.Now from the “Välj Plattformssäkerhetsnivå” drop-down select Secure Boot or Secure Boot and DMA Skydd.

From Select Platform Security Level drop-down select Secure Boot or Secure Boot and DMA Protection

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. Starta om datorn för att spara ändringarna.

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.

Lägg till de virtualiseringsbaserade säkerhetsfunktionerna genom att använda Program och funktioner

1.Tryck på Windows-tangenten + R och skriv sedan appwiz.cpl och tryck Enter för att öppna Program and Features.

skriv appwiz.cpl och tryck på Enter för att öppna Program och funktioner

2.From the left-hand window click on “Slå av eller på funktioner i Windows".

slå av eller på funktioner i Windows

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

4.Under Hyper-V Platform bock "Hyper-V Hypervisor".

Under Hyper-V Platform checkmark Hyper-V Hypervisor

5.Now scroll down and checkmark “Isolated User Mode” och klicka på OK.

Lägg till de virtualiseringsbaserade säkerhetsfunktionerna till en offlinebild genom att använda DISM

1.Tryck på Windows-tangenten + X och välj sedan Kommandotolk (Admin).

kommandotolken med administratörsrättigheter

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

Lägg till de virtualiseringsbaserade säkerhetsfunktionerna till en offlinebild genom att använda DISM

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

Add the Isolated User Mode feature

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

Aktivera eller inaktivera Credential Guard i Windows 10

1.Tryck på Windows-tangenten + R och skriv sedan regedit och tryck Enter för att öppna Registereditorn.

Kör kommandot regedit

2. Navigera till följande registernyckel:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3.Högerklicka på DeviceGuard Välj sedan Nytt > DWORD (32-bitars) värde.

Right-click on DeviceGuard then select New DWORD (32-bit) Value

4. Namnge denna nyskapade DWORD som Aktivera VirtualizationBased Security och tryck på Enter.

Name this newly created DWORD as EnableVirtualizationBasedSecurity and hit Enter

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

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

To Enable Virtualization-based Security change the value of the DWORD to 1

6.Now again right-click on DeviceGuard then select Nytt> DWORD (32-bitars) värde och namnge detta DWORD som RequirePlatformSecurityFeatures tryck sedan på Enter.

Name this DWORD as RequirePlatformSecurityFeatures then hit 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.

Change it's value to 1 to use Secure Boot only or set it to 3 to use Secure Boot and DMA protection.

8. Navigera nu till följande registernyckel:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Nytt> DWORD (32-bitars) värde then name this DWORD as LsaCfgFlags och tryck på Enter.

Right-click on LSA then select New then DWORD (32-bit) Value

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

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

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

1.Tryck på Windows-tangenten + R och skriv sedan regedit och tryck Enter för att öppna Registereditorn.

Kör kommandot regedit

2.Navigate and delete the following registry keys:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSALsaCfgFlags
HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsDeviceGuardEnableVirtualizationBasedSecurity
HKEY_LOCAL_MACHINESoftwarePoliciesMicrosoftWindowsDeviceGuardRequirePlatformSecurityFeatures

Disable Windows Credential Guard

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

kommandotolken med administratörsrättigheter

4.Skriv in följande kommando i cmd och tryck på 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.

Rekommenderas:

Det är det du har lärt dig framgångsrikt How to Enable or Disable Credential Guard in Windows 10 men om du fortfarande har några frågor angående denna handledning, ställ dem gärna i kommentarsektionen.