Error 0x803100A2

Value: -2144272222 | 0x803100A2 | 2150695074

What does it mean ?

FVE_E_PIN_PROTECTOR_CHANGE_BY_STD_USER_DISALLOWED  
You must be logged on with an administrator account to change the PIN. Click the link to reset the PIN as an administrator.
Value: 162 | 0x00A2 | 0b0000000010100010

Where does it come from ?

FACILITY_FVE  
Full volume encryption
Value: 49 | 0x031 | 0b00110001

Other Errors for FACILITY_FVE