Specify the time of day to run a scheduled full scan to complete remediation: registry value Scan_ScheduleTimeComputerHKLM\Software\Policies\Microsoft\Windows Defender\Remediation

Policy ID: Remediation_Scan_ScheduleTime
Scope: Computer Configuration
Supported on: At least Windows Server 2012, Windows 8 or Windows RT
Source: Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category: Windows Components › Microsoft Defender Antivirus › Remediation

Registry

Scan_ScheduleTime

-Computer

HKLM\Software\Policies\Microsoft\Windows Defender\Remediation Current key

Scan_ScheduleTime

REG_DWORDComputer

HKLM\Software\Policies\Microsoft\Windows Defender\Remediation Current key

Enabled value: Depends on the option value
Element: Specify the time of day to run a scheduled full scan to complete remediation
Value type: REG_DWORD
Minimum value: 0
Maximum value: 1440

Apply with .reg · CMD · PowerShell

.reg

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows Defender\Remediation]

; Value names and types follow the ADMX. Replace <enter value> below with your own data
"Scan_ScheduleTime"=dword:<enter value>

CMD

:: Value names and types follow the ADMX. Replace <enter value> below with your own data

reg add "HKLM\Software\Policies\Microsoft\Windows Defender\Remediation" /v "Scan_ScheduleTime" /t REG_DWORD /d "<enter value>" /f

PowerShell

# Value names and types follow the ADMX. Replace <enter value> below with your own data

New-Item -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Force | Out-Null
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Windows Defender\Remediation' -Name 'Scan_ScheduleTime' -PropertyType DWord -Value '<enter value>' -Force | Out-Null