Error 0x803D0010

Value: -2143485936 | 0x803D0010 | 2151481360

What does it mean ?

WS_E_ENDPOINT_UNREACHABLE  
The remote endpoint was not reachable.
Value: 16 | 0x0010 | 0b0000000000010000

Where does it come from ?

FACILITY_WEBSERVICES  
Web Services
Value: 61 | 0x03D | 0b00111101

Other Errors for FACILITY_WEBSERVICES