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# Recover from an unexpected appliance shutdown

If the appliance unexpectedly shuts down, the appliance will attempt to automatically recover. To check whether all tasks and issues were resolved automatically, you can view alerts and tasks to see the current status of appliance resources. Manually restart any tasks that have a status of interrupted or error. For example, if the appliance unexpectedly shuts down during a firmware update, upon appliance restart, the task status is `error`.

### Prerequisites

- Minimum required session ID privileges: any user with read privileges

Reading critical alerts using REST APIs
`GET /rest/alerts?filter="alertState='Critical'"`

Reading interrupted tasks and recommended actions using REST APIs
`GET /rest/tasks?filter="taskState='Interrupted'".` To view the recommended actions, within the `taskError` attribute, view the `recommendedActions` attribute. If the recommended action is to refresh the resource, perform a `GET` on the `associatedResourceURI`, change `refreshState` to equal `RefreshPending`, and then perform a `PUT` using all the attributes.

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