Error 0xC00D1456

Value: -1072884650 | 0xC00D1456 | 3222082646

What does it mean ?

NS_E_TOO_MANY_MULTICAST_SINKS  
Only one multicast data writer plug-in can be enabled for a publishing point.
Value: 5206 | 0x1456 | 0b0001010001010110

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER