Error 0xC00D2EF0

Value: -1072877840 | 0xC00D2EF0 | 3222089456

What does it mean ?

NS_E_PROXY_DNS_TIMEOUT  
Unable to locate the proxy server. The operation timed out.
Value: 12016 | 0x2EF0 | 0b0010111011110000

Where does it come from ?

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

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