Error 0x80072747

Value: -2147014841 | 0x80072747 | 2147952455

What does it mean ?

WSAENOBUFS  
An operation on a socket could not be performed because the system lacked sufficient buffer space or because a queue was full.
Value: 10055 | 0x2747 | 0b0010011101000111

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