Schedule antivirus scans using Microsoft Intune
In brief
The article now documents daily quick-scan states, valid times from 0 to 1380 minutes, the 120-minute default, and a noon example. It also updates weekly scan guidance, supported OS wording, and configuration links.
What Defender admins need to know
Administrators have clearer information for creating and reviewing scan policies. No administrator action is required.
Summaries are generated from the documentation change itself.
Documentation change
The comparison below shows only the changed extract. Use the full-page view for complete context.
Schedule antivirus scans using Microsoft Intune
YouSecurity administrators can use Microsoft Intune to schedule Microsoft Defender Antivirus scans on managed Windows devices. This article shows youexplains how to create a scanan antivirus policy, set upschedule daily and weekly quick scans, and change settings likeconfigure CPU throttlingusage and catchup scans. These steps are for IT admins who use Intune to keepcatch-up scan coverage consistent across their devices. To learn more aboutsettings. For guidance on choosing a scan types,type, see About scheduled quick or full Microsoft Defender Antivirus scans.
Prerequisites
Before you configure scheduled antivirus scans in Intune, make sureverify that your devices meet the following requirements.use a supported operating system.
Supported operating systems
ScheduledIntune supports scheduled antivirus scans through Intune are supported on the following operating systems:
- Windows
- Windows Server
Configure antivirus scans using Intune
To configureCreate an antivirus scanspolicy by using Intune, seefollowing Create an endpoint security policy (opens in a new tab in the Intune documentation). When creatingUse the policy, use thesefollowing settings:
- Policy type: Antivirus
- Platform: Windows
- Profile: Microsoft Defender Antivirus
- Basics: Enter a name and description for the policy.
- Configuration settings: Expand each group of settings, and configure the settings you want to manage with this policy. For more information about these settings, see
Policy CSP - DefenderConfigure Microsoft Defender Antivirus using Microsoft Intune. - Scope tags: If your organization
is usinguses scope tags, select the tags you want to use. - Assignments: Select the users or groups to receive this policy. For more information, see Assign policies in Microsoft Intune.
For more information about Intune antivirus endpoint security policies,information, see Antivirus policy for endpoint security in Intune.
Use Intune for schedulingSchedule daily quick scans using Intune
Use the following Intune setting to schedule a daily quick scan in Intune:on Windows devices:
- Setting: Schedule Quick Scan Time
- Values:
- :::image type="icon" source="media/toggle-off.png" border="false"::: Not Configured
- :::image type="icon" source="media/toggle-on.png" border="false"::: Configured
- Enter a time of day from 0 (12:00 AM) through 1380 (11:00 PM). The default value is 120 (2:00 AM).
For example, a value of 720 schedules the daily quick scan for 12:00 PM.
Schedule weekly quick or full scans using Intune
Use the following Intune settings to schedule a weekly quick or full scan on Windows devices:
Setting: Scan parameter
Values:
- Not configured
- Quick scan (Default)
- Full scan
Setting: Schedule Scan Day
Values:
- Not configured
- Every day (Default)
- Sunday to Saturday
- No scheduled scan
Setting: Schedule Scan Time
Values:
- :::image type="icon" source="media/toggle-off.png" border="false"::: Not Configured
- :::image type="icon" source="media/toggle-on.png" border="false"::: Configured
- Enter a time of day from 0 (12:00 AM) through 1380 (11:00 PM). The default value is 120 (2:00 AM).
The following example schedules a quick scan on Windows devices every Wednesday at 5:00 PM (1020):
| Scan parameter | Quick scan (Default) |
| Schedule | Wednesday |
| Schedule Scan Time | 1020 |
Use Intune for scheduling Weekly Scan (Quick or Full)
The following example settings schedule a weekly quick or full scan in Intune:
| Description | Setting |
|---|---|
| Scan Parameter | Quick scan (Default) |
| Schedule Scan Day | Windows Clients: Wednesday |
| Schedule Scan Time | Windows Clients: 1020 |
@@ -1,17 +1,17 @@ --- title: Schedule antivirus scans using Microsoft Intune-description: Configure scheduled Microsoft Defender Antivirus scans with Microsoft Intune, including daily and weekly scan settings and deployment guidance for managed Windows devices.+description: Configure scheduled Microsoft Defender Antivirus scans in Intune, including daily and weekly schedules, CPU usage, and catch-up scans for Windows devices. author: chrisda ms.author: chrisda ms.reviewer: yongrhee ms.service: defender-endpoint ms.topic: how-to-ms.custom: nextgen, msecd-doc-authoring-1016-ms.collection: +ms.custom: nextgen, msecd-doc-authoring-1015+ms.collection: - m365-security - tier2 - mde-ngp-ms.date: 07/02/2026+ms.date: 08/21/2026 ms.subservice: ngp ms.localizationpriority: medium appliesto:@@ -20,94 +20,142 @@ appliesto: - Microsoft Defender for Business - Microsoft Defender Antivirus ai-usage: ai-assisted+#customer intent: As a security administrator, I want to schedule Microsoft Defender Antivirus scans in Intune so that managed Windows devices receive consistent scan coverage. --- # Schedule antivirus scans using Microsoft Intune -You can use Microsoft Intune to schedule Microsoft Defender Antivirus scans on managed Windows devices. This article shows you how to create a scan policy, set up daily and weekly quick scans, and change settings like CPU throttling and catchup scans. These steps are for IT admins who use Intune to keep scan coverage consistent across their devices. To learn more about scan types, see [About scheduled quick or full Microsoft Defender Antivirus scans](schedule-antivirus-scans.md).+Security administrators can use Microsoft Intune to schedule Microsoft Defender Antivirus scans on managed Windows devices. This article explains how to create an antivirus policy, schedule daily and weekly scans, and configure CPU usage and catch-up scan settings. For guidance on choosing a scan type, see [About scheduled quick or full Microsoft Defender Antivirus scans](schedule-antivirus-scans.md). ## Prerequisites -Before you configure scheduled antivirus scans in Intune, make sure your devices meet the following requirements.+Before you configure scheduled antivirus scans in Intune, verify that your devices use a supported operating system. ### Supported operating systems -Scheduled antivirus scans through Intune are supported on the following operating systems:+Intune supports scheduled antivirus scans on the following operating systems: - Windows - Windows Server ## Configure antivirus scans using Intune -To configure antivirus scans by using Intune, see <a href="/intune/intune-service/protect/endpoint-security-policy#create-endpoint-security-policies" target="_blank">Create an endpoint security policy</a> (opens in a new tab in the Intune documentation). When creating the policy, use these settings:+Create an antivirus policy by following <a href="/intune/intune-service/protect/endpoint-security-policy#create-endpoint-security-policies" target="_blank">Create an endpoint security policy</a> (opens in a new tab in the Intune documentation). Use the following settings: - **Policy type**: Antivirus - **Platform**: Windows - **Profile**: Microsoft Defender Antivirus - **Basics**: Enter a name and description for the policy.-- **Configuration settings**: Expand each group of settings, and configure the settings you want to manage with this policy. For more information about these settings, see [Policy CSP - Defender](/windows/client-management/mdm/policy-csp-defender).-- **Scope tags**: If your organization is using [scope tags](/intune/intune-service/fundamentals/scope-tags), select the tags you want to use.+- **Configuration settings**: Expand each group of settings, and configure the settings you want to manage with this policy. For more information about these settings, see [Configure Microsoft Defender Antivirus using Microsoft Intune](use-intune-config-manager-microsoft-defender-antivirus.md).+- **Scope tags**: If your organization uses [scope tags](/intune/intune-service/fundamentals/scope-tags), select the tags you want to use. - **Assignments**: Select the users or groups to receive this policy. For more information, see [Assign policies in Microsoft Intune](/intune/intune-service/configuration/device-profile-assign). -For more information about Intune antivirus endpoint security policies, see [Antivirus policy for endpoint security in Intune](/intune/intune-service/protect/endpoint-security-antivirus-policy).+For more information, see [Antivirus policy for endpoint security in Intune](/intune/intune-service/protect/endpoint-security-antivirus-policy). -## Use Intune for scheduling daily quick scans+<a name="use-intune-for-scheduling-daily-quick-scans"></a> -Use the following setting to schedule a daily quick scan in Intune:+## Schedule daily quick scans using Intune -| Description|Setting|-| -------- | -------- |-|Schedule Quick Scan Time|720|+Use the following Intune setting to schedule a daily quick scan on Windows devices: -> [!NOTE]-> In the daily quick scan example, a quick scan runs on the Windows clients at 12:00 PM (720). The scan is scheduled at lunch time because many devices are turned off after hours (for example, laptops).+- **Setting**: **Schedule Quick Scan Time**+- **Values**:+ - :::image type="icon" source="media/toggle-off.png" border="false"::: **Not Configured**+ - :::image type="icon" source="media/toggle-on.png" border="false"::: **Configured**+ - Enter a time of day from **0** (12:00 AM) through **1380** (11:00 PM). The default value is **120** (2:00 AM). -## Use Intune for scheduling Weekly Scan (Quick or Full)+For example, a value of **720** schedules the daily quick scan for 12:00 PM. -The following example settings schedule a weekly quick or full scan in Intune:+<a name="use-intune-for-scheduling-weekly-scan-quick-or-full"></a> -| Description|Setting|-| -------- | -------- |-|Scan Parameter |Quick scan (Default) |-|Schedule Scan Day|Windows Clients: Wednesday<br>|-|Schedule Scan Time|Windows Clients: 1020 <br>|+## Schedule weekly quick or full scans using Intune -> [!NOTE]-> In this example, a quick scan runs for Windows clients on Wednesdays at 5:00 PM. (1020).+Use the following Intune settings to schedule a weekly quick or full scan on Windows devices: -> [!TIP]-> Our recommendation for scheduled scans is to configure quick scan together with always-on real-time protection and [cloud protection](cloud-protection-microsoft-defender-antivirus.md), as this combination provides strong coverage against malware that starts with the system and kernel-level malware. Quick scan with always-on real-time protection and cloud protection is the default configuration. In general, there's no need to schedule a full scan, and most users never need to manually run full scans (see [Comparing quick scan, full scan, and custom scan](schedule-antivirus-scans.md)).+- **Setting**: **Scan parameter**+- **Values**:+ - **Not configured**+ - **Quick scan (Default)**+ - **Full scan** -<a name="general-settings-for-scheduled-scan-to-consider"></a>-## Configure general settings for scheduled scans+- **Setting**: **Schedule Scan Day**+- **Values**:+ - **Not configured**+ - **Every day (Default)**+ - **Sunday** to **Saturday**+ - **No scheduled scan** -Review the following general scheduled-scan settings when configuring your policy:+- **Setting**: **Schedule Scan Time**+- **Values**:+ - :::image type="icon" source="media/toggle-off.png" border="false"::: **Not Configured**+ - :::image type="icon" source="media/toggle-on.png" border="false"::: **Configured**+ - Enter a time of day from **0** (12:00 AM) through **1380** (11:00 PM). The default value is **120** (2:00 AM). -|Description| Setting|-| -------- | -------- |-|Check For Signatures Before Running Scan |Disabled (Default)|-|Randomize Schedule Task Times|Not configured|-|Scheduler Randomization Time|Scheduled tasks aren't randomized|-|Avg CPU Load Factor|Not Configured (Default, 50)|-|Enable Low CPU Priority|Disabled (Default)|-|Disable Catchup Full Scan|Enabled (Default)|-|Disable Catchup Quick Scan|Disabled (Default)|+The following example schedules a quick scan on Windows devices every Wednesday at 5:00 PM (**1020**): -> [!NOTE]-> When you schedule scans for times when endpoints aren't in use, scans don't honor the CPU throttling configuration and takes full advantage of the resources available to complete the scan as fast as possible.+|Setting|Value|+|---|---|+|Scan parameter|Quick scan (Default)|+|Schedule Scan Day|Wednesday|+|Schedule Scan Time|:::image type="icon" source="media/toggle-on.png" border="false"::: **Configured**<br>**1020**| -<a name="see-also"></a>-## See also+> [!TIP]+> Microsoft recommends using quick scans with always-on real-time protection and [cloud protection](cloud-protection-microsoft-defender-antivirus.md). This combination provides strong coverage against malware that starts with the system and kernel-level malware. Quick scans with always-on real-time protection and cloud protection are the default configuration.+>+> In general, you don't need to schedule a full scan, and most users never need to run full scans manually. For more information, see [Comparing quick scan, full scan, and custom scan](schedule-antivirus-scans.md). -- [Troubleshoot Microsoft Defender Antivirus scan issues](troubleshoot-mdav-scan-issues.md)+<a name="general-settings-for-scheduled-scan-to-consider"></a>+## Configure general settings for scheduled scans -- [Troubleshoot Microsoft Defender Antivirus settings](troubleshoot-settings.md)+Review the following general scheduled-scan settings when you configure the policy:++- **Setting**: **Check For Signatures Before Running Scan**+- **Values**:+ - **Not configured**+ - **Disabled (Default)**+ - **Enabled** (recommended)++- **Setting**: **Randomize Schedule Task Times**+- **Values**:+ - **Not configured**+ - **Widen or narrow the randomization period for scheduled scans (Default)** (use **Scheduler Randomization Time** to set the randomization window)+ - **Scheduled tasks will not be randomized** (recommended)++- **Setting**: **Scheduler Randomization Time**+- **Values**:+ - :::image type="icon" source="media/toggle-off.png" border="false"::: **Not Configured** (recommended)+ - :::image type="icon" source="media/toggle-on.png" border="false"::: **Configured**+ - Enter a value between **1** and **23** hours. The default value is **4** hours.++- **Setting**: **Avg CPU Load Factor**+- **Values**:+ - :::image type="icon" source="media/toggle-off.png" border="false"::: **Not Configured** (recommended)+ - :::image type="icon" source="media/toggle-on.png" border="false"::: **Configured**+ - Enter a percentage from **0** to **100**. The default value is **50**.++- **Setting**: **Enable Low CPU Priority**+- **Values**:+ - **Not configured**+ - **Disabled (Default)** (recommended)+ - **Enabled**++- **Setting**: **Disable Catchup Full Scan**+- **Values**:+ - **Not configured**+ - **Disabled** (enables catch-up full scans)+ - **Enabled (Default)** (disables catch-up full scans and matches the Microsoft Defender Antivirus client default)++- **Setting**: **Disable Catchup Quick Scan**+- **Values**:+ - **Not configured**+ - **Disabled** (enables catch-up quick scans)+ - **Enabled (Default)** (disables catch-up quick scans and matches the Microsoft Defender Antivirus client default)++## Related content +- [Troubleshoot Microsoft Defender Antivirus scan issues](troubleshoot-mdav-scan-issues.md)+- [Troubleshoot Microsoft Defender Antivirus settings](troubleshoot-settings.md) - [Troubleshoot performance issues related to real-time protection](troubleshoot-performance-issues.md)- - [Run the client analyzer on Windows](run-analyzer-windows.md)- - [Performance analyzer for Microsoft Defender Antivirus](tune-performance-defender-antivirus.md)- - [Microsoft Defender Antivirus full scan considerations and best practices](mdav-scan-best-practices.md)- 