: Many modern devices use custom services for features like ANC (Active Noise Canceling), touch controls, or specialized companion apps. Without the manufacturer's software, Windows cannot identify the service.
: If you see this ID listed under "Other Devices" or as "Bluetooth Peripheral Device" with a yellow exclamation mark, it means Windows has detected the service but doesn't have a matching driver to "talk" to it. Common Causes for the Error bthenum 931c7e8a-540f-4686-b798-e8df0a2ad9f7
: Issues often arise when the primary Bluetooth adapter drivers (from Intel, Realtek, or Broadcom) are outdated, preventing the system from properly enumerating newer peripheral IDs. : Many modern devices use custom services for
: You may see this more frequently after upgrading to Windows 11 if the manufacturer hasn't yet provided updated driver definitions for their proprietary Bluetooth UUIDs. How to Resolve the "Unknown Peripheral" Issue Common Causes for the Error : Issues often
When a Bluetooth device connects to a Windows PC, the system uses the (Bluetooth Enumerator) to identify its capabilities and services. The string of characters following "BTHENUM" serves as a digital fingerprint:
If this ID is cluttering your Device Manager or causing connectivity issues, follow these steps:
The identifier is a unique Bluetooth hardware ID (UUID) typically encountered in Windows Device Manager. It indicates a specific proprietary service or peripheral device that the operating system recognizes as hardware but may lack the precise drivers to name or operate fully. Understanding the "BTHENUM" Identifier