Error 0x80094817

Value: -2146875369 | 0x80094817 | 2148091927

What does it mean ?

CERTSRV_E_INVALID_EK  
The certification authority cannot interpret or verify the endorsement key information supplied in the request, or the information is inconsistent.
Value: 18455 | 0x4817 | 0b0100100000010111

Where does it come from ?

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

Other Errors for FACILITY_SSPI