Error 0x80244026

Value: -2145107930 | 0x80244026 | 2149859366

What does it mean ?

WU_E_PT_REGISTRATION_NOT_SUPPORTED  
Operation failed because Windows Update Agent does not support registration with a non-WSUS server.
Value: 16422 | 0x4026 | 0b0100000000100110

Where does it come from ?

FACILITY_WINDOWSUPDATE  
Windows update
Value: 36 | 0x024 | 0b00100100

Other Errors for FACILITY_WINDOWSUPDATE