Error 0xC00D2EF9

Value: -1072877831 | 0xC00D2EF9 | 3222089465

What does it mean ?

NS_E_FIREWALL  
Packets are not being received from the server. The packets might be blocked by a filtering device, such as a network firewall.
Value: 12025 | 0x2EF9 | 0b0010111011111001

Where does it come from ?

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

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