Blocking USB storage via Intune: Class_GUID exceptions not working (opens in new tab)

--- layout: Conceptual title: Restrict USB devices using settings catalog in Microsoft Intune - Microsoft Intune | Microsoft Learn canonicalUrl: breadcrumb_path: /intune/breadcrumb/toc.json uhfHeaderId: MSDocsHeader-Intune feedback_system: Standard ms.service: microsoft-intune manager: laurawi author: MandiOhlinger ms.author: mandia description: Use the settings catalog in Microsoft Intune to restrict USB devices, including thumb drives, flash drives, USB cameras, and more. Use other setting...