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# Update the appliance

Image files for appliance updates are available from http://www.hpe.com/info/hpeoneview/updates. The content delivered in the image file and the speed of your network connection determine the amount of time required for the download.

| IMPORTANT: The appliance will restart after it is updated. This restart will not disrupt the operation of the systems under management, but it will close the management console.

### Prerequisites

- Minimum required session ID privileges: Infrastructure administrator

- Ensure that no other users are logged in to the appliance before starting the appliance update and that no one logs in during the update.

- Hewlett Packard Enterprise recommends that you create and download a backup file before updating the appliance. See Backup the appliance.

- Create a VM snapshot of your system before you install an update file.

Updating the appliance firmware using REST APIs
Upload the firmware. `POST /rest/appliance/firmware/image` Start the firmware update. `PUT /rest/appliance/firmware/pending?file=`{upgrade file name}``

| NOTE: After the update is uploaded to the appliance, you can perform `GET /rest/appliance/firmware/pending` to retrieve the estimated time to complete the firmware update, and to determine if a reboot is required. To view the release notes and EULA for the update, perform `GET /rest/appliance/firmware/document-content/`{tarFileName}`.`{suffix}`/`{documentType}``. For `documentType`, specify `release` or `eula`.

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