In the next step open an elevated command prompt and type: This is because it is still BitLocker enabled and locked. It is even more imporant that you do not format the partition in the next step! Please note the drive letter you’ll assign to the new partition.Īfter that Windows shows a RAW filesystem on that partition. It is important that you specify the exact size information, the partition used to have. You can try these things later if the following steps won’t work for you…įirst recreate the partition from Disk Management (type compmgmt.msc in start menu and run as administrator) by clicking with the right mouse button on the “lost” partition and selecting “New Simple Volume…”: Do not format it, delete it or whatever comes to your mind. If you don’t have your recovery key you are screwed!Īt this point please do nothing with the harddrive. If you don’t have 7-zip you can download it now.
There are just 2 things you’ll need: 7-zip and your BitLocker recovery key. Windows offers almost everything you’ll need to recover from this scenario. What I really mean is, this is the point you would recognize that something went wrong and that your data lies encrypted on a partition you cannot access. This is normally where you would start to panic, start to search for recovery tools and may be pay money to buy some stuff you don’t really need. At home BitLocker should have asked you to save that key in a safe place while you activated BitLocker.Īfter that I “somehow accidentally” deleted the partition…
In enterprise environments this key should be stored in Active Directory. Please take note of the 48 digit recovery key separated by dashes into 6 groups – you’ll need that one later. The next screenshot shows the BitLocker status for that partition. You can see information from Disk Management MMC and the folder structure in the next 2 screenshots: I moved some data there, about 450MB, just so we have actually data on it. We’ll start with a 20GB partition on one of my drives. Since I ran across this problem some time ago and I couldn’t find some good information about the topic I decided to write this how to.
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