Error 0x80040DA9

Value: -2147218007 | 0x80040DA9 | 2147749289

What does it mean ?

GTHR_E_FOLDER_CRAWLED_BY_ANOTHER_WORKSPACE  
The data for this folder will not be crawled because it is configured to be crawled by (%1).
Value: 3497 | 0x0DA9 | 0b0000110110101001

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