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@ -7,7 +7,7 @@ ms.mktglfcycl: manage
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audience: itpro
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itproauthor: jaimeo
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author: jaimeo
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ms.localizationprioauthor: jaimeo
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ms.localizationpriority: medium
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ms.audience: itpro
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ms.reviewer:
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manager: laurawi
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@ -6,7 +6,7 @@ ms.prod: w10
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ms.mktglfcycl: explore
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ms.sitesec: library
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ms.pagetype: security
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ms.localizationpriority: #medium
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ms.localizationpriority: medium
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ms.author: v-maave
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author: martyav
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manager: dansimp
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@ -1,5 +1,5 @@
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---
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title: Schedule regular quick and full scans with Microsoft Defender AV
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title: Schedule regular quick and full scans with Microsoft Defender Antivirus
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description: Set up recurring (scheduled) scans, including when they should run and whether they run as full or quick scans
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keywords: quick scan, full scan, quick vs full, schedule scan, daily, weekly, time, scheduled, recurring, regular
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search.product: eADQiWindows 10XVcnh
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@ -11,7 +11,7 @@ ms.localizationpriority: medium
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author: denisebmsft
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ms.author: deniseb
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ms.custom: nextgen
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ms.date: 10/26/2020
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ms.date: 11/02/2020
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ms.reviewer: pauhijbr
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manager: dansimp
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---
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@ -25,6 +25,7 @@ manager: dansimp
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- [Microsoft Defender for Endpoint](https://go.microsoft.com/fwlink/p/?linkid=2146631)
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> [!NOTE]
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> 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.
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@ -44,7 +45,9 @@ This article describes how to configure scheduled scans with Group Policy, Power
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5. Expand the tree to **Windows components > Microsoft Defender Antivirus** and then the **Location** specified in the table below.
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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.
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6. Double-click the policy **Setting** as specified in the table below, and set the option to your desired configuration.
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7. Click **OK**, and repeat for any other settings.
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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.
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@ -81,6 +84,7 @@ Scheduled scans will run at the day and time you specify. You can use Group Poli
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|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. |
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|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 |
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### Use PowerShell cmdlets to schedule scans
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Use the following cmdlets:
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@ -100,8 +104,10 @@ See [Use PowerShell cmdlets to configure and run Microsoft Defender Antivirus](u
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Use the [**Set** method of the **MSFT_MpPreference**](https://msdn.microsoft.com/library/dn455323(v=vs.85).aspx) class for the following properties:
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```WMI
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SignatureFallbackOrder
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SignatureDefinitionUpdateFileSharesSouce
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ScanParameters
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ScanScheduleDay
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ScanScheduleTime
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RandomizeScheduleTaskTimes
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```
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See the following for more information and allowed parameters:
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@ -138,8 +144,7 @@ See [Use PowerShell cmdlets to configure and run Microsoft Defender Antivirus](u
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Use the [**Set** method of the **MSFT_MpPreference**](https://msdn.microsoft.com/library/dn455323(v=vs.85).aspx) class for the following properties:
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```WMI
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SignatureFallbackOrder
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SignatureDefinitionUpdateFileSharesSouce
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ScanOnlyIfIdleEnabled
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```
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See the following for more information and allowed parameters:
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@ -173,8 +178,8 @@ See [Use PowerShell cmdlets to configure and run Microsoft Defender Antivirus](u
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Use the [**Set** method of the **MSFT_MpPreference**](https://msdn.microsoft.com/library/dn455323(v=vs.85).aspx) class for the following properties:
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```WMI
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SignatureFallbackOrder
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SignatureDefinitionUpdateFileSharesSouce
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RemediationScheduleDay
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RemediationScheduleTime
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```
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See the following for more information and allowed parameters:
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@ -190,6 +195,7 @@ You can enable a daily quick scan that can be run in addition to your other sche
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### Use Group Policy to schedule daily scans
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|Location | Setting | Description | Default setting (if not configured) |
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|:---|:---|:---|:---|
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|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 |
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@ -210,8 +216,7 @@ See [Use PowerShell cmdlets to configure and run Microsoft Defender Antivirus](u
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Use the [**Set** method of the **MSFT_MpPreference**](https://msdn.microsoft.com/library/dn455323(v=vs.85).aspx) class for the following properties:
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```WMI
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SignatureFallbackOrder
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SignatureDefinitionUpdateFileSharesSouce
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ScanScheduleQuickScanTime
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```
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See the following for more information and allowed parameters:
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@ -224,9 +229,9 @@ You can force a scan to occur after every [protection update](manage-protection-
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### Use Group Policy to schedule scans after protection updates
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Location | Setting | Description | Default setting (if not configured)
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---|---|---|---
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Signature updates | Turn on scan after Security intelligence update | A scan will occur immediately after a new protection update is downloaded | Enabled
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|Location | Setting | Description | Default setting (if not configured)|
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|:---|:---|:---|:---|
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|Signature updates | Turn on scan after Security intelligence update | A scan will occur immediately after a new protection update is downloaded | Enabled |
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## See also
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- [Prevent or allow users to locally modify policy settings](configure-local-policy-overrides-microsoft-defender-antivirus.md)
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@ -8,7 +8,7 @@ ms.author: dansimp
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manager: dansimp
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ms.collection:
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ms.topic: article
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ms.localizationpriority:
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ms.localizationpriority: medium
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ms.date:
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ms.reviewer:
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---
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