Error 0xC00D0025

Value: -1072889819 | 0xC00D0025 | 3222077477

What does it mean ?

NS_E_BUSY  
The requested resource is in use.
Value: 37 | 0x0025 | 0b0000000000100101

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER