ERROR_AMBIGUOUS_SYSTEM_DEVICE 0x80073B92

Error code 15250 · HRESULT 0x80073B92

WINDOWS

The requested system device cannot be identified due to multiple indistinguishable devices potentially matching the identification criteria.

Windows troubleshooting diagram: Device Manager warning and a system file scan
Windows errors: check drivers, system files and Event Viewer, in that order.

What it means

ERROR_AMBIGUOUS_SYSTEM_DEVICE is a Windows error code (system error 15250, returned as HRESULT 0x80073B92) reported by Windows. Its official message is: “The requested system device cannot be identified due to multiple indistinguishable devices potentially matching the identification criteria.”

How to fix ERROR_AMBIGUOUS_SYSTEM_DEVICE

  1. Open Device Manager, look for yellow warnings and update or roll back the driver
  2. Disconnect and reconnect the hardware; test it on another USB port or machine
  3. Check the System event log for the device's error driver name

Related errors

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Source: Microsoft WinError.h

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