Error 0x000D6D75

Value: 879989 | 0x000D6D75 | 879989

What does it mean ?

MF_S_TRANSFORM_DO_NOT_PROPAGATE_EVENT  
The caller should not propagate this event to downstream components.
Value: 28021 | 0x6D75 | 0b0110110101110101

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER