Error 0x80040095

Value: -2147221355 | 0x80040095 | 2147745941

What does it mean ?

IO_WARNING_SOFT_THRESHOLD_REACHED_EX_POOL_POOL  
Disk %2 has crossed a capacity utilization threshold. When the threshold was crossed, %3 bytes from the pool were used and the pool had %4 bytes of remaining capacity.
Value: 149 | 0x0095 | 0b0000000010010101

Where does it come from ?

FACILITY_ITF  
COM/OLE Interface management. FACILITY_ITF is designated for user-defined error codes returned from interface methods
Value: 4 | 0x004 | 0b00000100

Other Errors for FACILITY_ITF