Error 0x801881E1

Value: -2145877535 | 0x801881E1 | 2149089761

What does it mean ?

DUA_E_SOAPFAULT_UNKNOWN  
Unknown SOAP fault
Value: 33249 | 0x81E1 | 0b1000000111100001

Where does it come from ?

FACILITY_WINDOWS_CE  
Windows CE
Value: 24 | 0x018 | 0b00011000

Other Errors for FACILITY_WINDOWS_CE