Specify the day of the week to run a scheduled full scan to complete remediation
Verified with Windows 11 25H2 — updated on July 30, 2026
Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Path in the GPO console
Computer Configuration\Administrative Templates\Windows Components\Microsoft Defender Antivirus\Remediation Description
This policy setting allows you to specify the day of the week on which to perform a scheduled full scan in order to complete remediation. The scan can also be configured to run every day or to never run at all. This setting can be configured with the following ordinal number values: (0x0) Every Day (0x1) Sunday (0x2) Monday (0x3) Tuesday (0x4) Wednesday (0x5) Thursday (0x6) Friday (0x7) Saturday (0x8) Never (default) If you enable this setting, a scheduled full scan to complete remediation will run at the frequency specified. If you disable or do not configure this setting, a scheduled full scan to complete remediation will run at a default frequency.
Registry
HKLM
Software\Policies\Microsoft\Windows Defender\Remediation Value name: Scan_ScheduleDay
MDM / Intune (CSP)
./Device/Vendor/MSFT/Policy/Config/ADMX_MicrosoftDefenderAntivirus/Remediation_Scan_ScheduleDay Microsoft Learn documentation Mapping data: Microsoft Learn (CC BY 4.0)
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: Specify the day of the week to run a scheduled full scan to complete remediation
; State: Enabled
; Supported on: At least Windows Server 2012, Windows 8 or Windows RT
[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Remediation]
"Scan_ScheduleDay"=dword:00000001
"Scan_ScheduleDay"=dword:00000008More formats (PowerShell, Intune, SCCM)
PowerShell
# Exported from gporais.com
# Policy: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
$path = 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 8 -Type DWordIntune XML
OMA-URI: ./Device/Vendor/MSFT/Policy/Config/ADMX_MicrosoftDefenderAntivirus/Remediation_Scan_ScheduleDay
Data type: String
Value:
<enabled/>
<data id="Remediation_Scan_ScheduleDay" value="8"/>Intune Remediation
# === Detection script ===
# Exported from gporais.com
# Policy: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Name 'Scan_ScheduleDay' -Expected 1 -Kind DWord)
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Name 'Scan_ScheduleDay' -Expected 8 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
$path = 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 8 -Type DWordSCCM scripts
# Exported from gporais.com
# Policy: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
# 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: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
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
}
$checks = @(
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Name 'Scan_ScheduleDay' -Expected 1 -Kind DWord)
(Test-RegistryValue -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Name 'Scan_ScheduleDay' -Expected 8 -Kind DWord)
)
if ($checks -notcontains $false) {
Write-Output 'Compliant'
exit 0
}
Write-Output 'Non-compliant'
exit 1
# === Remediation script ===
# Exported from gporais.com
# Policy: Specify the day of the week to run a scheduled full scan to complete remediation
# State: Enabled
# Supported on: At least Windows Server 2012, Windows 8 or Windows RT
$path = 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation'
New-Item -Path $path -Force | Out-Null
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 1 -Type DWord
Set-ItemProperty -Path $path -Name 'Scan_ScheduleDay' -Value 8 -Type DWordBuilding a multi-setting collection? Add this setting and generate combined .reg / PowerShell / GPO scripts.