What does HRESULT 0x800F0208 (SPAPI_E_DEVINFO_NOT_REGISTERED) mean?

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Description:

The device information element is not registered. Complete the required registration step before using registered-device operations.

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SPAPI_E_DEVINST_ALREADY_EXISTS	SPAPI_E_INVALID_REG_PROPERTY

SPAPI_E_DEVINFO_NOT_REGISTERED

SPAPI_E_DEVINFO_NOT_REGISTERED means that an API operation requiring a registered device information element was called for an item that exists only in the in-memory device information set. Some installation and property operations require the corresponding device node to be registered first.

What to check

Review the call sequence and identify whether the element was created but never registered.
Use the documented API for registration before invoking operations that act on a system device instance.
Do not confuse a member of an HDEVINFO set with a device that is present in the Plug and Play tree.

Microsoft: using device installation functions

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