Check Point HARMONY R81 Administration Manual page 216

c. If the disk sectors containing the encrypted keys are damaged or unreadable, you
can export to external media a BitLocker Key Package to use for recovery. In
Select File name and location, browse to a location. To learn how to use the
Microsoft recovery tools to decrypt the disk, see the
Guide.
d. Click Close.
4. In the BitLocker Management Recovery window, click Get Recovery Key.
The Recovery Key shows. It is a string of numbers that looks like this:
409673-073722-568381-219307-302434-260909-651475-146696
5. On the client computer, type the Recovery Key.
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BitLocker Recovery
Microsoft BitLocker Recovery