This policy setting allows search and Cortana to search cloud sources like OneDrive and SharePoint. The recommended state for this setting is: Enabled: Disable Cloud Search. Rationale: Due to privacy concerns, data should never be sent to any third-party since this data could contain sensitive information. Impact: Search and Cortana will not be permitted to search cloud sources like OneDrive and SharePoint.
Solution
To establish the recommended configuration via GP, set the following UI path to Enabled: Disable Cloud Search: Computer Configuration\Policies\Administrative Templates\Windows Components\Search\Allow Cloud Search Note: This Group Policy path may not exist by default. It is provided by the Group Policy template Search.admx/adml that is included with the Microsoft Windows 10 Release 1709 Administrative Templates (or newer). Default Value: Enabled: Enable Cloud Search. (Allow search and Cortana to search cloud sources like OneDrive and SharePoint.)