Error 0x80090350

Value: -2146892976 | 0x80090350 | 2148074320

What does it mean ?

SEC_E_DOWNGRADE_DETECTED  
The system cannot contact a domain controller to service the authentication request. Please try again later.
Value: 848 | 0x0350 | 0b0000001101010000

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