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Update faq-wd-app-guard.md

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Denise Vangel-MSFT 2020-06-02 12:12:46 -07:00 committed by GitHub
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windows/security/threat-protection/windows-defender-application-guard/faq-wd-app-guard.md
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@ -8,7 +8,7 @@ ms.pagetype: security
ms.localizationpriority: medium ms.localizationpriority: medium
author: denisebmsft author: denisebmsft
ms.author: deniseb ms.author: deniseb
ms.date: 12/04/2019 ms.date: 06/02/2020
ms.reviewer: ms.reviewer:
manager: dansimp manager: dansimp
ms.custom: asr ms.custom: asr
@ -83,7 +83,7 @@ To trust a subdomain, you must precede your domain with two dots, for example: `
### Are there differences between using Application Guard on Windows Pro vs Windows Enterprise? ### Are there differences between using Application Guard on Windows Pro vs Windows Enterprise?
When using Windows Pro or Windows Enterprise, you will have access to using Application Guard's Standalone Mode. However, when using Enterprise you will have access to Application Guard's Enterprise-Managed Mode. This mode has some extra features that the Standalone Mode does not. For more information, see [Prepare to install Windows Defender Application Guard](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-guard/install-wd-app-guard). When using Windows Pro or Windows Enterprise, you have access to using Application Guard's Standalone Mode. However, when using Windows Enterprise, you have access to Application Guard's Enterprise-Managed Mode. This mode has some extra features that the Standalone Mode does not. For more information, see [Prepare to install Windows Defender Application Guard](https://docs.microsoft.com/windows/security/threat-protection/windows-defender-application-guard/install-wd-app-guard).
### Is there a size limit to the domain lists that I need to configure? ### Is there a size limit to the domain lists that I need to configure?
@ -91,8 +91,8 @@ Yes, both the Enterprise Resource domains hosted in the cloud and the Domains ca
### Why does my encryption driver break Windows Defender Application Guard? ### Why does my encryption driver break Windows Defender Application Guard?
Windows Defender Application Guard accesses files from a VHD mounted on the host that needs to be written during setup. If an encryption driver prevents a VHD from being mounted or from being written to, WDAG will not work and result in an error message ("0x80070013 ERROR_WRITE_PROTECT"). Windows Defender Application Guard accesses files from a VHD mounted on the host that needs to be written during setup. If an encryption driver prevents a VHD from being mounted or from being written to, WDAG will not work and result in an error message (`0x80070013 ERROR_WRITE_PROTECT`).
### Why did Application Guard stop working after I turned off hyperthreading? ### Why did Application Guard stop working after I turned off hyperthreading?
If hyperthreading is disabled (either with KB or through BIOS), there may be a possibility Application Guard will no longer meet the minimum requirements. If hyperthreading is disabled (because of an update applied through a KB article or through BIOS settings), there is a possibility Application Guard no longer meets the minimum requirements.