Error 0xC00D427C

Value: -1072872836 | 0xC00D427C | 3222094460

What does it mean ?

MF_E_NET_UNSAFE_URL  
Url.
Value: 17020 | 0x427C | 0b0100001001111100

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER