Disable installing Windows apps on non-system volumes
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Windows 8.1 Update 2
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\App Package Deployment Description
This policy setting allows you to manage installing Windows apps on additional volumes such as secondary partitions, USB drives, or SD cards. If you enable this setting, you can't move or install Windows apps on volumes that are not the system volume. If you disable or do not configure this setting, you can move or install Windows apps on other volumes.
Registry
HKLM
Software\Policies\Microsoft\Windows\Appx Value name: RestrictAppToSystemVolume
Enabled: RestrictAppToSystemVolume = 1
Disabled: RestrictAppToSystemVolume = 0
MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ApplicationManagement/RestrictAppToSystemVolume Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
CSP values
-
0 (Default)- Not restricted. -
1- Restricted.
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: Disable installing Windows apps on non-system volumes
; State: Enabled
; Supported on: At least Windows 8.1 Update 2
[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Appx]
"RestrictAppToSystemVolume"=dword:00000001More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
$path = 'HKLM:\Software\Policies\Microsoft\Windows\Appx'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'RestrictAppToSystemVolume' -Value 1 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ApplicationManagement/RestrictAppToSystemVolume
Data type: String
Value:
<enabled/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows\Appx' -Name 'RestrictAppToSystemVolume' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
$path = 'HKLM:\Software\Policies\Microsoft\Windows\Appx'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'RestrictAppToSystemVolume' -Value 1 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
# 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: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows\Appx' -Name 'RestrictAppToSystemVolume' -Expected 1 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Disable installing Windows apps on non-system volumes
# State: Enabled
# Supported on: At least Windows 8.1 Update 2
$path = 'HKLM:\Software\Policies\Microsoft\Windows\Appx'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'RestrictAppToSystemVolume' -Value 1 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.