Povolenie alebo zakázanie ochrany poverení v systéme 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:

Hardvérové ​​zabezpečenie
Zabezpečenie založené na virtualizácii
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.

Povolenie alebo zakázanie ochrany poverení v systéme Windows 10

Uistite sa, že ste vytvorili bod obnovenia pre prípad, že by sa niečo pokazilo.

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

Poznámka: 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. Stlačte kláves Windows + R a zadajte regedit a otvorte ich stlačením klávesu Enter Editor skupinovej politiky.

2. Prejdite na nasledujúcu cestu:

Computer Configuration > Administrative Templates > System > Device Guard

3. Nezabudnite vybrať Ochranná pomôcka than in right window pane double-click on “Turn On Virtualization Based Security” politiky.

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

5.Now from the “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. Reštartujte počítač, aby ste uložili zmeny.

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. Stlačte kláves Windows + R a zadajte appwiz.cpl a otvorte ich stlačením klávesu Enter Program and Features.

2.From the left-hand window click on “Zapnite alebo vypnite funkcie systému Windows".

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

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

5.Now scroll down and checkmark “Isolated User Mode” a kliknite na tlačidlo OK.

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

1. Stlačte kláves Windows + X a potom vyberte Príkazový riadok (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.

Povolenie alebo zakázanie ochrany poverení v systéme Windows 10

1. Stlačte kláves Windows + R a zadajte regedit a otvorte ich stlačením klávesu Enter Editor databázy Registry.

2. Prejdite na nasledujúci kľúč databázy Registry:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3. Kliknite pravým tlačidlom myši na DeviceGuard potom vyberte Nové > Hodnota DWORD (32-bit).

4. Pomenujte tento novovytvorený DWORD ako EnableVirtualizationBasedSecurity a stlačte kláves 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 Nové> Hodnota DWORD (32-bitová) and name this DWORD as RequirePlatformSecurityFeatures potom stlačte 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. Teraz prejdite na nasledujúci kľúč databázy Registry:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Nové> Hodnota DWORD (32-bitová) then name this DWORD as LsaCfgFlags a stlačte kláves 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 pomocou Device Guard and Credential Guard hardware readiness tool or the following method:

1. Stlačte kláves Windows + R a zadajte regedit a otvorte ich stlačením klávesu Enter Editor databázy Registry.

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 Príkazový riadok (Admin).

4. Zadajte nasledujúci príkaz do cmd a stlačte 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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