Error 0x80095001

Value: -2146873343 | 0x80095001 | 2148093953

What does it mean ?

XENROLL_E_CANNOT_ADD_ROOT_CERT  
You cannot add the root CA certificate into your local store.
Value: 20481 | 0x5001 | 0b0101000000000001

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