Error 0xC00D7177

Value: -1072860809 | 0xC00D7177 | 3222106487

What does it mean ?

MF_E_PE_SESSIONS_MAXED  
No more protected environment sessions can be supported.
Value: 29047 | 0x7177 | 0b0111000101110111

Where does it come from ?

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

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