manage-bde -status Volume {-ProtectionAsErrorLevel|-p} {-ComputerName|-cn} ComputerName {-?|/?} {-Help|-h} Description: Provides ...

manage-bde -status [Volume]
                [{-ProtectionAsErrorLevel|-p}]
                [{-ComputerName|-cn} ComputerName]
                [{-?|/?}] [{-Help|-h}]

Description:
    Provides information about BitLocker-capable volumes.

Parameter List:
    Volume      A drive letter followed by a colon. Example: "C:". If not
                provided, displays all BitLocker-capable volumes.
    -ProtectionAsErrorLevel or -p
                Used in developing batch files. Returns an error level that
                identifies whether the volume is BitLocker-protected. Returns
                0 if no volume is specified or if the specified volume is
                BitLocker-protected. Returns 1 otherwise.
    -ComputerName or -cn
                Runs on another computer. Examples: "ComputerX", "127.0.0.1"
    -? or /?    Displays brief help. Example: "-ParameterSet -?"
    -Help or -h Displays complete help. Example: "-ParameterSet -h"

Examples:
    manage-bde -status
    manage-bde -status e:
    manage-bde -status e: -ProtectionAsErrorLevel