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Update scheduled-catch-up-scans-microsoft-defender-antivirus.md

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windows/security/threat-protection/microsoft-defender-antivirus/scheduled-catch-up-scans-microsoft-defender-antivirus.md
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--- ---
title: Schedule regular quick and full scans with Microsoft Defender AV title: Schedule regular quick and full scans with Microsoft Defender Antivirus
description: Set up recurring (scheduled) scans, including when they should run and whether they run as full or quick scans description: Set up recurring (scheduled) scans, including when they should run and whether they run as full or quick scans
keywords: quick scan, full scan, quick vs full, schedule scan, daily, weekly, time, scheduled, recurring, regular keywords: quick scan, full scan, quick vs full, schedule scan, daily, weekly, time, scheduled, recurring, regular
search.product: eADQiWindows 10XVcnh search.product: eADQiWindows 10XVcnh
@ -11,7 +11,7 @@ ms.localizationpriority: medium
author: denisebmsft author: denisebmsft
ms.author: deniseb ms.author: deniseb
ms.custom: nextgen ms.custom: nextgen
ms.date: 09/30/2020 ms.date: 11/02/2020
ms.reviewer: ms.reviewer:
manager: dansimp manager: dansimp
--- ---
@ -23,7 +23,7 @@ manager: dansimp
**Applies to:** **Applies to:**
- [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2069559) - [Microsoft Defender Advanced Threat Protection (Microsoft Defender ATP)](https://go.microsoft.com/fwlink/p/?linkid=2146631)
> [!NOTE] > [!NOTE]
> By default, Microsoft Defender Antivirus checks for an update 15 minutes before the time of any scheduled scans. You can [Manage the schedule for when protection updates should be downloaded and applied](manage-protection-update-schedule-microsoft-defender-antivirus.md) to override this default. > By default, Microsoft Defender Antivirus checks for an update 15 minutes before the time of any scheduled scans. You can [Manage the schedule for when protection updates should be downloaded and applied](manage-protection-update-schedule-microsoft-defender-antivirus.md) to override this default.
@ -44,7 +44,9 @@ This article describes how to configure scheduled scans with Group Policy, Power
5. Expand the tree to **Windows components > Microsoft Defender Antivirus** and then the **Location** specified in the table below. 5. Expand the tree to **Windows components > Microsoft Defender Antivirus** and then the **Location** specified in the table below.
6. Double-click the policy **Setting** as specified in the table below, and set the option to your desired configuration. Click **OK**, and repeat for any other settings. 6. Double-click the policy **Setting** as specified in the table below, and set the option to your desired configuration.
7. Click **OK**, and repeat for any other settings.
Also see the [Manage when protection updates should be downloaded and applied](manage-protection-update-schedule-microsoft-defender-antivirus.md) and [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md) topics. Also see the [Manage when protection updates should be downloaded and applied](manage-protection-update-schedule-microsoft-defender-antivirus.md) and [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md) topics.
@ -74,12 +76,12 @@ Scheduled scans will run at the day and time you specify. You can use Group Poli
### Use Group Policy to schedule scans ### Use Group Policy to schedule scans
Location | Setting | Description | Default setting (if not configured) |Location | Setting | Description | Default setting (if not configured) |
---|---|---|--- |:---|:---|:---|:---|
Scan | Specify the scan type to use for a scheduled scan | Quick scan |Scan | Specify the scan type to use for a scheduled scan | Quick scan |
Scan | Specify the day of the week to run a scheduled scan | Specify the day (or never) to run a scan. | Never |Scan | Specify the day of the week to run a scheduled scan | Specify the day (or never) to run a scan. | Never |
Scan | Specify the time of day to run a scheduled scan | Specify the number of minutes after midnight (for example, enter **60** for 1 am). | 2 am |Scan | Specify the time of day to run a scheduled scan | Specify the number of minutes after midnight (for example, enter **60** for 1 a.m.). | 2 a.m. |
Root | Randomize scheduled task times |In Microsoft Defender Antivirus: Randomize the start time of the scan to any interval from 0 to 4 hours. <br>In FEP/SCEP: randomize to any interval plus or minus 30 minutes. This can be useful in VM or VDI deployments. | Enabled |Root | Randomize scheduled task times |In Microsoft Defender Antivirus: Randomize the start time of the scan to any interval from 0 to 4 hours. <br>In FEP/SCEP: randomize to any interval plus or minus 30 minutes. This can be useful in VM or VDI deployments. | Enabled |
### Use PowerShell cmdlets to schedule scans ### Use PowerShell cmdlets to schedule scans
@ -121,9 +123,9 @@ You can set the scheduled scan to only occur when the endpoint is turned on but
### Use Group Policy to schedule scans ### Use Group Policy to schedule scans
Location | Setting | Description | Default setting (if not configured) |Location | Setting | Description | Default setting (if not configured) |
---|---|---|--- |:---|:---|:---|:---|
Scan | Start the scheduled scan only when computer is on but not in use | Scheduled scans will not run, unless the computer is on but not in use | Enabled |Scan | Start the scheduled scan only when computer is on but not in use | Scheduled scans will not run, unless the computer is on but not in use | Enabled |
### Use PowerShell cmdlets ### Use PowerShell cmdlets
@ -191,10 +193,10 @@ You can enable a daily quick scan that can be run in addition to your other sche
### Use Group Policy to schedule daily scans ### Use Group Policy to schedule daily scans
Location | Setting | Description | Default setting (if not configured) |Location | Setting | Description | Default setting (if not configured) |
---|---|---|--- |:---|:---|:---|:---|
Scan | Specify the interval to run quick scans per day | Specify how many hours should elapse before the next quick scan. For example, to run every two hours, enter **2**, for once a day, enter **24**. Enter **0** to never run a daily quick scan. | Never |Scan | Specify the interval to run quick scans per day | Specify how many hours should elapse before the next quick scan. For example, to run every two hours, enter **2**, for once a day, enter **24**. Enter **0** to never run a daily quick scan. | Never |
Scan | Specify the time for a daily quick scan | Specify the number of minutes after midnight (for example, enter **60** for 1 am) | 2 am |Scan | Specify the time for a daily quick scan | Specify the number of minutes after midnight (for example, enter **60** for 1 a.m.) | 2 a.m. |
### Use PowerShell cmdlets to schedule daily scans ### Use PowerShell cmdlets to schedule daily scans
@ -224,9 +226,9 @@ You can force a scan to occur after every [protection update](manage-protection-
### Use Group Policy to schedule scans after protection updates ### Use Group Policy to schedule scans after protection updates
Location | Setting | Description | Default setting (if not configured) |Location | Setting | Description | Default setting (if not configured)|
---|---|---|--- |:---|:---|:---|:---|
Signature updates | Turn on scan after Security intelligence update | A scan will occur immediately after a new protection update is downloaded | Enabled |Signature updates | Turn on scan after Security intelligence update | A scan will occur immediately after a new protection update is downloaded | Enabled |
## See also ## See also
- [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md) - [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md)