Error 0x803D0012

Value: -2143485934 | 0x803D0012 | 2151481362

What does it mean ?

WS_E_ENDPOINT_TOO_BUSY  
The remote endpoint is unable to process the request due to being overloaded.
Value: 18 | 0x0012 | 0b0000000000010010

Where does it come from ?

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

Other Errors for FACILITY_WEBSERVICES