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93 lines
6.8 KiB
Markdown
93 lines
6.8 KiB
Markdown
---
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title: Manage device restarts after updates (Windows 10)
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description: tbd
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ms.prod: w10
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ms.mktglfcycl: manage
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ms.sitesec: library
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author: jdeckerMS
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localizationpriority: high
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---
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# Manage device restarts after updates
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**Applies to**
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- Windows 10
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- Windows 10 Mobile
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> **Looking for consumer information?** See [Windows Update: FAQ](https://support.microsoft.com/help/12373/windows-update-faq)
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You can use Group Policy settings or mobile device management (MDM) to configure when devices will restart after a Windows 10 update is installed. You can schedule update installation and set policies for restart, configure active hours for when restarts will not occur, or you can do both.
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## Schedule update installation
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When you set the **Configure Automatic Updates** policy to **Auto download and schedule the install**, you also configure the day and time for installation or you specify that installation will occur during the automatic maintenance time (configured using **Computer Configuration\Administrative Templates\Windows Components\Maintenance Scheduler**).
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When **Configure Automatic Updates** is enabled, you can enable one of the following additional policies to manage device restart:
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- **Turn off auto-restart for updates during active hours** prevents automatic restart during active hours.
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- **Always automatically restart at the scheduled time** forces a restart after the specified installation time and lets you configure a timer to warn a signed-in user that a restart is going to occur. To set the time, you need to go **Configure Automatic Updates**, select option **4 - Auto download and schedule the install**, and then enter a time in the **Scheduled install time** dropdown.
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- **No auto-restart with logged on users for scheduled automatic updates installations** prevents automatic restart when a user is signed in. If a user schedules the restart in the update notification, the device will restart at the time the user specifies even if a user is signed in at the time. This policy only applies when **Configure Automatic Updates** is set to option **4-Auto download and schedule the install**.
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## Configure active hours
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You can configure active hours for devices without setting the **Configure Automatic Updates** policy. *Active hours* identify the period of time when you expect the device to be in use. Automatic restarts after an update will occur outside of the active hours.
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By default, active hours are from 8 AM to 5 PM on PCs and from 5 AM to 11 PM on phones. Users can change the active hours manually. Additionally, administrators can use Group Policy or MDM to set active hours for managed devices.
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To configure active hours using Group Policy, go to **Computer Configuration\Administrative Templates\Windows Components\Windows Update** and open the **Turn off auto-restart for updates during active hours** policy setting. When the policy is enabled, you can set the start and end times for active hours.
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MDM uses the [Update/ActiveHoursStart and Update/ActiveHoursEnd](https://msdn.microsoft.com/library/windows/hardware/dn904962.aspx#Update_ActiveHoursEnd) settings in the [Policy CSP](https://msdn.microsoft.com/library/windows/hardware/dn904962.aspx) to configure active hours.
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To configure active hours manually on a single device, go to **Settings** > **Update & security** > **Windows Update** and select **Change active hours**.
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## Limit restart delays
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After an update is installed, Windows 10 attemtps automatic restart outside of active hours. If the restart does not succeed after 7 days (by default), the user will see a notification that restart is required. You can use the **Specify deadline before auto-restart for update installation** policy to change the delay from 7 days to a number of days between 2 and 14.
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## Group Policy settings for restart
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In the Group Policy editor, you will see a number of policy settings that pertain to restart behavior in **Computer Configuration\Administrative Templates\Windows Components\Windows Update**. The following table shows which policies apply to Windows 10.
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| Policy | Applies to Windows 10 | Notes |
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| --- | --- | --- |
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| Turn off auto-restart for updates during active hours |  | Use this policy to configure active hours, during which the device will not be restarted. This policy has no effect if the **No auto-restart with logged on users for scheduled automatic updates installations** or **Always automatically restart at the scheduled time** policies are enabled. |
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| Always automatically restart at the scheduled time |  | Use this policy to configure a restart timer (between 15 and 180 minutes) that will start immediately after Windows Update installs important updates. This policy has no effect if the **No auto-restart with logged on users for scheduled automatic updates installations** policy is enabled. |
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| Specify deadline before auto-restart for update installation |  | Use this policy to specify how many days (between 2 and 14) an automatic restart can be delayed. This policy has no effect if the **No auto-restart with logged on users for scheduled automatic updates installations** or **Always automatically restart at the scheduled time** policies are enabled. |
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| No auto-restart with logged on users for scheduled automatic updates installations |  | Use this policy to prevent automatic restart when a user is logged on. This policy applies only when the **Configure Automatic Updates** policy is configured to perform scheduled installations of updates. <br>There is no equivalent MDM policy setting for Windows 10 Mobile. |
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| Re-prompt for restart with scheduled installations |  | |
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| Delay Restart for scheduled installations |  | |
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| Reschedule Automatic Updates scheduled installations |  | |
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>[!NOTE]
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>If you set conflicting restart policies, the actual restart behavior may not be what you expected.
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## Related topics
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- [Update Windows 10 in the enterprise](waas-update-windows-10.md)
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- [Overview of Windows as a service](waas-overview.md)
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- [Manage updates for Windows 10 Mobile Enterprise and Windows 10 IoT Mobile](waas-mobile-updates.md)
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- [Configure Delivery Optimization for Windows 10 updates](waas-delivery-optimization.md)
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- [Configure BranchCache for Windows 10 updates](waas-branchcache.md)
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- [Configure Windows Update for Business](waas-configure-wufb.md)
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- [Integrate Windows Update for Business with management solutions](waas-integrate-wufb.md)
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- [Walkthrough: use Group Policy to configure Windows Update for Business](waas-wufb-group-policy.md)
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- [Walkthrough: use Intune to configure Windows Update for Business](waas-wufb-intune.md)
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