Error 0x80040427

Value: -2147220441 | 0x80040427 | 2147746855

What does it mean ?

DS_E_PROPVERSIONMISMATCH  
The content index cannot be enabled because its propagation version cannot be verified against the dedicated index server. This can occur when either the dedicated index server is offline or the content index is out-of-date.
Value: 1063 | 0x0427 | 0b0000010000100111

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