Error 0xC00D6D73

Value: -1072861837 | 0xC00D6D73 | 3222105459

What does it mean ?

MF_E_TRANSFORM_NOT_POSSIBLE_FOR_CURRENT_SPKR_CONFIG  
The requested operation is not supported for the current speaker configuration.
Value: 28019 | 0x6D73 | 0b0110110101110011

Where does it come from ?

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

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