Error 0xC00D4A3C

Value: -1072870852 | 0xC00D4A3C | 3222096444

What does it mean ?

MF_E_STREAMSINK_EXISTS  
The given Stream Sink already exists.
Value: 19004 | 0x4A3C | 0b0100101000111100

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER