Error 0x80070863

Value: -2147022749 | 0x80070863 | 2147944547

What does it mean ?

NERR_CfgParamNotFound  
The specified parameter could not be found in the configuration information.
Value: 2147 | 0x0863 | 0b0000100001100011

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

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