Error 0x801881E7

Value: -2145877529 | 0x801881E7 | 2149089767

What does it mean ?

DUA_E_SOAPFAULT_REGISTRATIONREQUIRED  
RegistrationRequired SOAP fault
Value: 33255 | 0x81E7 | 0b1000000111100111

Where does it come from ?

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

Other Errors for FACILITY_WINDOWS_CE