Error 0x80072393

Value: -2147015789 | 0x80072393 | 2147951507

What does it mean ?

DNS_ERROR_SIGNING_KEY_NOT_ACCESSIBLE  
One or more of the signing keys for a zone are not accessible to the DNS server. Zone signing will not be operational until this error is resolved.
Value: 9107 | 0x2393 | 0b0010001110010011

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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