If the update is not successful, then event ID 2007 is displayed as an Error event rather than Information. Additionally, the version reported in the Windows Registry won't be current.

Event 2007 with the following text indicates a successful update: Firmware update finished. hr=0 DriverTelementry EventCode = 2007. This section is optional and provides an overview of how to monitor installation of the firmware update. Look for the registry keys: Component10CurrentFwVersion and Component20CurrentFwVersion, which refer to the firmware that is currently on the device. Verify the new registry key values match the updated registry key values listed in the Versions reference at the end of this document. If the values match, the firmware was updated successfully. It adds support for Surface Pro 7 and Surface Laptop 3. Legacy versions Version 2.23.139.0 Release Date: 10 October 2018When the update is complete, updated DWORD values are displayed in the Windows Registry, corresponding to the current version of the tool. See the Versions reference section in this article for details. For example: The registry values that indicate the status of firmware updates are unchanged from the previous version of this tool:

Installing the MSI file might prompt you to restart Surface. However, restarting is not required to perform the update.