Error 0x80040E96

Value: -2147217770 | 0x80040E96 | 2147749526

What does it mean ?

DB_E_CANNOTCONNECT  
Connection to the server for this URL cannot be established.
Value: 3734 | 0x0E96 | 0b0000111010010110

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

Other Errors for FACILITY_ITF