Error 0x80072751

Value: -2147014831 | 0x80072751 | 2147952465

What does it mean ?

WSAEHOSTUNREACH  
A socket operation was attempted to an unreachable host.
Value: 10065 | 0x2751 | 0b0010011101010001

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

StackOverflow

Other Errors for FACILITY_WIN32