Error 0x80072177

Value: -2147016329 | 0x80072177 | 2147950967

What does it mean ?

ERROR_DS_INCOMPATIBLE_VERSION  
The version of the operating system installed on this server is incompatible with the functional level of the domain or forest.
Value: 8567 | 0x2177 | 0b0010000101110111

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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