Error 0xC00D2744

Value: -1072879804 | 0xC00D2744 | 3222087492

What does it mean ?

NS_E_DRM_BACKUPRESTORE_BUSY  
You cannot begin a new backup process until the current process has been completed.
Value: 10052 | 0x2744 | 0b0010011101000100

Where does it come from ?

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

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