Error 0x80040E17

Value: -2147217897 | 0x80040E17 | 2147749399

What does it mean ?

DB_E_DUPLICATEDATASOURCE  
Data source object could not be created because the named data source already exists.
Value: 3607 | 0x0E17 | 0b0000111000010111

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

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