Error 0x80042547

Value: -2147211961 | 0x80042547 | 2147755335

What does it mean ?

VDS_E_PLEX_IS_HEALTHY  
The plex is not stale or detached.
Value: 9543 | 0x2547 | 0b0010010101000111

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