Deregistering managed nodes in a hybrid and multicloud environment
If you no longer want to manage an on-premises server, edge device, or virtual machine (VM) by using AWS Systems Manager, then you can deregister it. Deregistering a hybrid-activated node removes it from the list of managed nodes in Systems Manager. AWS Systems Manager Agent (SSM Agent) running on the hybrid-activated node won't be able to refresh its authorization token because it's no longer registered. SSM Agent hibernates and reduce its ping frequency to Systems Manager in the cloud to once per hour.
You can reregister an on-premises server, edge device, or VM again at any time. Systems Manager stores the command history for a deregistered managed node for 30 days.
The following procedure describes how to deregister a hybrid-activated node by using the Systems Manager console. For information about how to do this by using the AWS Command Line Interface , see deregister-managed-instance.
To deregister a hybrid-activated node (console)
Open the AWS Systems Manager console at https://console.aws.amazon.com/systems-manager/
. In the navigation pane, choose Fleet Manager.
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Select the checkbox next to the managed node that you want to deregister.
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Choose Node actions, Tools, Deregister this managed node.
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Review the information in the Deregister this managed node dialog box. If you approve, choose Deregister.
