Amazon Systems Manager Change Manager is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see Amazon Systems Manager Change Manager availability change.
Implement change controls for Automation
By default, Automation allows you to use runbooks without date and time constraints. By integrating Automation with Change Calendar, you can implement change controls to all automations in your Amazon Web Services account. With this setting, Amazon Identity and Access Management (IAM) principals in your account can only run automations during the time periods allowed by your change calendar. To learn more about working with Change Calendar, see Working with Change Calendar.
To turn on change controls (console)
Open the Amazon Systems Manager console at https://console.amazonaws.cn/systems-manager/
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In the navigation pane, choose Automation.
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Choose the Preferences tab, and then choose Edit.
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Select the check box next to Turn on Change Calendar integration.
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In the Choose a change calendar dropdown list, choose the change calendar that you want Automation to follow.
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Choose Save.