Error 0x8007218D

Value: -2147016307 | 0x8007218D | 2147950989

What does it mean ?

ERROR_DS_CANT_DERIVE_SPN_WITHOUT_SERVER_REF  
The DS cannot derive a service principal name (SPN) with which to mutually authenticate the target server because the corresponding server object in the local DS database has no serverReference attribute.
Value: 8589 | 0x218D | 0b0010000110001101

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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