Error 0x400D0054

Value: 1074593876 | 0x400D0054 | 1074593876

What does it mean ?

NS_I_DISK_START  
Disk %1 ( %2 ) on Content Server %3, is running.
Value: 84 | 0x0054 | 0b0000000001010100

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER