Turn on Microsoft Defender Application Guard in Managed Mode
Verified with Windows 11 25H2 — updated on July 10, 2026
Supported on: Windows 10 Enterprise, Windows 10 Education, or later
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\Microsoft Defender Application Guard Description
This policy setting enables application isolation through Microsoft Defender Application Guard. Application Guard uses Windows Hypervisor to create a virtualized environment for apps that are configured to use virtualization-based security isolation. While in isolation, improper user interactions and app vulnerabilities can’t compromise the kernel or any other apps running outside of the virtualized environment. If you enable this setting, Application Guard is turned on for your organization.
Registry
HKLM
SOFTWARE\Policies\Microsoft\AppHVSI Export Builder
BETAConfigure the state, scope and options, then generate .reg, PowerShell, Intune and SCCM outputs — or add the setting to a multi-setting collection.
These exports write the registry — this is not a managed GPO. ⓘ
.reg file
Windows Registry Editor Version 5.00
; Exported from gporais.com
; Policy: Turn on Microsoft Defender Application Guard in Managed Mode
; State: Enabled
; Supported on: Windows 10 Enterprise, Windows 10 Education, or later
[HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\AppHVSI]
"AllowAppHVSI_ProviderSet"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\AppHVSI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowAppHVSI_ProviderSet' -Value 1 -Type DWordIntune XML
No direct Policy CSP / OMA-URI mapping for this policy. Use the Intune Remediation tab, or ingest the ADMX in Intune.Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\AppHVSI' -Name 'AllowAppHVSI_ProviderSet' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\AppHVSI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowAppHVSI_ProviderSet' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
# SCCM Configuration Item guidance:
# Create a Configuration Item of type "Setting: Script".
# Discovery script: use the Detection script below.
# Remediation script: use the Remediation script below.
# Compliance rule: the Discovery script output equals 'Compliant'.
# === Detection script ===
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
function Test-RegistryValue {
param(
[Parameter(Mandatory = $true)][string]$Path,
[Parameter(Mandatory = $true)][string]$Name,
[object]$Expected,
[ValidateSet('String', 'DWord', 'MultiString')][string]$Kind = 'String',
[switch]$Absent
)
try {
$item = Get-ItemProperty -LiteralPath $Path -Name $Name -ErrorAction Stop
} catch {
return $Absent.IsPresent
}
if ($Absent.IsPresent) { return $false }
$actual = $item.$Name
if ($Kind -eq 'DWord') { return ([int64]$actual) -eq ([int64]$Expected) }
if ($Kind -eq 'MultiString') {
$actualValues = @($actual)
$expectedValues = @($Expected)
if ($actualValues.Count -ne $expectedValues.Count) { return $false }
for ($i = 0; $i -lt $expectedValues.Count; $i++) {
if ([string]$actualValues[$i] -ne [string]$expectedValues[$i]) { return $false }
}
return $true
}
return [string]$actual -eq [string]$Expected
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\SOFTWARE\Policies\Microsoft\AppHVSI' -Name 'AllowAppHVSI_ProviderSet' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Turn on Microsoft Defender Application Guard in Managed Mode
# State: Enabled
# Supported on: Windows 10 Enterprise, Windows 10 Education, or later
$path = 'HKLM:\SOFTWARE\Policies\Microsoft\AppHVSI'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'AllowAppHVSI_ProviderSet' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.