Error 0xC00D9C42

Value: -1072849854 | 0xC00D9C42 | 3222117442

What does it mean ?

MF_E_CLOCK_STATE_ALREADY_SET  
The clock is already in the requested state.
Value: 40002 | 0x9C42 | 0b1001110001000010

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

Other Errors for FACILITY_MEDIASERVER