Error 0x8007216A

Value: -2147016342 | 0x8007216A | 2147950954

What does it mean ?

ERROR_DS_INVALID_NAME_FOR_SPN  
A Service Principal Name (SPN) could not be constructed because the provided hostname is not in the necessary format.
Value: 8554 | 0x216A | 0b0010000101101010

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

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