For Windows and macOS devices, a restart notification warns end users when their computer needs to restart.
It is possible to customize restart notifications and configure deferral options that allow you to control when a restart will happen. Note: We formerly showed this as “reboot notifications”.
The following topics are described here:
What is a restart notification?
When a Windows or macOS device update requires a restart, a restart notification lets the end user know that a restart of their system needs to occur. This allows the end user to save any work that might otherwise be lost during a restart of their computer. You can configure the message from the Create Policy page.
You must enable Automatic Restart for the associated policy, and the policy must be active and scheduled.
What does a restart notification look like?
The information in the restart notification can differ depending on the operating system and how the message is configured.
For macOS users, a notification will look similar to this:
For Windows users, a notification will look similar to this:
What does a restart notification indicate?
In general, the notification informs the end user that an update that requires a restart has been installed.
The restart notification message allows the end user to select from the configured deferral times. A menu indicates how many deferrals are allowed and for how long a restart can be deferred.
The default deferral options are 1 hour, 4 hours, and 8 hours and the default number of times you can select from the available hours is 3 times.
For the example shown, when the message appears the first time, you could select to defer 4 hours before the restart notification appears for the second time. Then you can decide if you need one more deferral before you want the device to restart. When the notification appears for the third time, the only option available is to select Options → Now (macOS) to restart. For Windows select Reboot Now. If you just ignore this message, the system restarts automatically after 15 minutes.
It is possible to configure how long the message is displayed: See How to Configure the Notification Duration.
It is also possible to configure automatic deferrals, so that a user is not surprised by a missed notification message.
How to configure the Notification Duration
The notification duration is the amount of time a notification message is displayed to the user.
The default notification duration is 15 minutes.
You can configure the duration between 15 minutes and 8 hours (480 minutes).
Users might regularly have longer video conferences in which notifications can easily be missed. For this you can extend the duration that the message shows on a device. When the video conference ends, the user will still see the notification and can take appropriate action: update now or defer.
How restart deferral options work
If the end user chooses to ignore the restart notification (do nothing), the system will restart automatically in 15 minutes (unless restart notifications have been customized).
If the end user clicks Reboot Now, the device restarts immediately, and the patch completes installation.
The end user delays a restart according to the configured deferral settings. After the restart deferral maximum is reached, the system will show only a "Reboot Now" option and it will restart in 15 minutes if the message is closed or is not interacted with.
What are automatic deferrals
You can decide to allow automatic deferrals in the case a user does not acknowledge the restart notification. When you enable automatic deferrals, any notification that is present for longer than the notification duration is automatically deferred for the maximum deferral time option. This also counts as one of the allowed number of deferrals. See Managing End-User Notifications for details.
How can I configure restart notifications?
Administrators can configure restart notifications when they create or edit a policy. To be able to send customized restart notifications, you must select Enable automatic restart after updates are installed.
For a detailed description of configuring restart notification messages and deferral settings, see Managing End-User Notifications.
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