Trigger a quick scan after X days without any scans

Policy ID: Scan_DaysUntilAggressiveCatchupQuickScan
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 › Scan

Description

This policy setting defines the number of days that can pass since the last scan before an aggresive catchup quick scan is automatically triggered. The value represents the number of days that can pass without any scans being performed before an agressive quick scan will be triggered.

Valid values range from 7 to 60 days. If not configured, aggressive quick scans will be disabled. By default, the value is set to 25 days when enabled.

Options

Specify how many days without scans should pass before an aggressive quick scan is triggered

Registry

ComputerHKEY_LOCAL_MACHINE

HKLM\Software\Policies\Microsoft\Windows Defender\Scan View registry values

DaysUntilAggressiveCatchupQuickScan-
DaysUntilAggressiveCatchupQuickScanREG_DWORD

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