Error 0x8009480F

Value: -2146875377 | 0x8009480F | 2148091919

What does it mean ?

CERTSRV_E_SUBJECT_DNS_REQUIRED  
The DNS name is unavailable and cannot be added to the Subject Alternate name.
Value: 18447 | 0x480F | 0b0100100000001111

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