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Augusts 17, 2018

Iespējojiet vai atspējojiet Credential Guard operētājsistēmā 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.

Iespējojiet vai atspējojiet Credential Guard operētājsistēmā Windows 10

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

Aparatūras drošība
Uz virtualizāciju balstīta drošība
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.

Iespējojiet vai atspējojiet Credential Guard operētājsistēmā Windows 10

Noteikti izveidojiet atjaunošanas punktu, ja kaut kas noiet greizi.

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

Piezīme: 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. Nospiediet Windows taustiņu + R, pēc tam ierakstiet regedit un nospiediet taustiņu Enter, lai atvērtu Grupas politikas redaktors.

Palaidiet komandu regedit

2. Dodieties uz šādu ceļu:

Computer Configuration > Administrative Templates > System > Device Guard

3. Noteikti atlasiet Ierīces aizsargs than in right window pane double-click on “Turn On Virtualization Based Security” politika.

Double-click on Turn On Virtualization Based Security Policy

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

Set Turn On Virtualization Based Security to Enabled

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

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. Lai saglabātu izmaiņas, restartējiet datoru.

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. Nospiediet Windows taustiņu + R, pēc tam ierakstiet appwiz.cpl un nospiediet taustiņu Enter, lai atvērtu Program and Features.

ierakstiet appwiz.cpl un nospiediet taustiņu Enter, lai atvērtu programmas un līdzekļus

2.From the left-hand window click on “Ieslēdziet vai izslēdziet Windows līdzekļus".

ieslēdziet vai izslēdziet Windows funkcijas

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

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

Under Hyper-V Platform checkmark Hyper-V Hypervisor

5.Now scroll down and checkmark “Isolated User Mode” un noklikšķiniet uz Labi.

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

1. Nospiediet Windows taustiņu + X, pēc tam atlasiet Komandu uzvedne (administrators).

komandrinda ar administratora tiesībām

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

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

Iespējojiet vai atspējojiet Credential Guard operētājsistēmā Windows 10

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet regedit un nospiediet taustiņu Enter, lai atvērtu Reģistra redaktors.

Palaidiet komandu regedit

2. Pāriet uz šādu reģistra atslēgu:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlDeviceGuard

3. Ar peles labo pogu noklikšķiniet uz DeviceGuard Tad izvēlieties Jauns > DWORD (32 bitu) vērtība.

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

4. Nosauciet šo jaunizveidoto DWORD kā Iespējot VirtualizationBasedSecurity un nospiediet taustiņu 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 Jauna> DWORD (32 bitu) vērtība un nosauciet šo DWORD kā RequirePlatformSecurityFeatures tad nospiediet taustiņu 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. Tagad pārejiet uz šo reģistra atslēgu:

HKEY_LOCAL_MACHINESystemCurrentControlSetControlLSA

9.Right-click on LSA then select Jauna> DWORD (32 bitu) vērtība then name this DWORD as LsaCfgFlags un nospiediet taustiņu 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 izmantojot Device Guard and Credential Guard hardware readiness tool or the following method:

1. Nospiediet Windows taustiņu + R, pēc tam ierakstiet regedit un nospiediet taustiņu Enter, lai atvērtu Reģistra redaktors.

Palaidiet komandu 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 Komandu uzvedne (administrators).

komandrinda ar administratora tiesībām

4. Ievadiet šo komandu cmd un nospiediet taustiņu 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.

Ieteicams:

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