How to enable BitLocker on Windows Server 2012 R2

Thanks to the improvements of virtualization and storage technologies, it’s not difficult to clone a disk. A great advantage for disaster recovery, but also a potential risk for the security of your information.

Microsoft allows to encrypt the disks of a server with a feature named BitLocker. We are going to see how you can enable BitLocker on a physical or virtual server to protect your company from data theft.

Install the BitLocker Drive Encryption feature with the Add Roles and Features Wizard:

How to enable BitLocker on Windows Server 2012 R2

You need to restart the system after the installation:

How to enable BitLocker on Windows Server 2012 R2

How to enable BitLocker on a virtual machine (without TPM)

You need the Trusted Platform Module (TPM) in order to take advantage of BitLocker encryption. Virtual machines don’t have the TPM module so you need to follow these two steps BEFORE configuring BitLocker (BitLocker must be installed on the server).

Open the Local Group Policy Editor (gpedit.msc) and go to Computer Configuration/Administrative Templates/Windows Components/BitLocker Drive Encryption/Operating System Drives. Double-click Require additional authentication at startup:

How to enable BitLocker on Windows Server 2012 R2

Select Enable and check Allow BitLocker without a compatibile TPM:

How to enable BitLocker on Windows Server 2012 R2

After a restart, open the Control Panel, you’ll find the BitLocker configuration panel. Open it and click Turn On BitLocker:

How to enable BitLocker on Windows Server 2012 R2

In this tutorial we used a VM, so a system without a TPM, and Windows aks us to configure an additional authentication at startup. We chose a password to protect the data, but we suggest to use a USB flash drive instead. With a flash drive you don’t have to enter the password at every server restart, just leave the USB drive plugged and you’ll be fine:

How to enable BitLocker on Windows Server 2012 R2

How to enable BitLocker on Windows Server 2012 R2

A recovery key can save you from big troubles. We printed it for security reasons:

How to enable BitLocker on Windows Server 2012 R2

Choose the encryption mode more suited for your disks:

How to enable BitLocker on Windows Server 2012 R2

Click Continue:

How to enable BitLocker on Windows Server 2012 R2

Restart the system:

How to enable BitLocker on Windows Server 2012 R2

At the next boot you’ll be “forced” to enter the password or plug the USB flash drive. After the Windows start BitLocker will begin the encryption process:

How to enable BitLocker on Windows Server 2012 R2

来源:网络


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