Error 0x000D2F09

Value: 864009 | 0x000D2F09 | 864009

What does it mean ?

NS_S_EOSRECEDING  
EOS hit during rewinding.
Value: 12041 | 0x2F09 | 0b0010111100001001

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER