Error 0x80094809

Value: -2146875383 | 0x80094809 | 2148091913

What does it mean ?

CERTSRV_E_SIGNATURE_POLICY_REQUIRED  
The request is missing required signature policy information.
Value: 18441 | 0x4809 | 0b0100100000001001

Where does it come from ?

FACILITY_SSPI  
Used for status code returned by Security Support Provider Interface (SSPI)
Value: 9 | 0x009 | 0b00001001

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Other Errors for FACILITY_SSPI