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BitLocker User Guide
What is BitLocker?
Corporate managed laptops will be protected using BitLocker technology. BitLocker is a disk encryption technology which protects laptop content from being read if it is stolen.
Will I notice a difference?
No. BitLocker uses a chip on your computer to securely handle the encryption process so you don't to worry about it. It should be a seamless process and should not affect your experience.
New Laptops deployed to employees are generally Bitlockered before they reach you.
How BitLocker works?
When powering on a laptop protected by BitLocker you will be prompted to enter your PIN. The PIN is set on every laptop, so any valid user of the laptop must have access to the PIN.
Once the PIN has been entered, the data on the laptop is no longer protected by BitLocker. When leaving or transporting a laptop, it should either be hibernated or powered off, as this ensures the PIN must be entered again to regain access.
Keep in mind that BitLocker can't protect you if your computer is never turned off or put in to Hibernation. Once Windows has started, BitLocker has done everything it can do to protect the computer.
Creating your pin
When BitLocker is enabled on your laptop, you must set your PIN. This PIN will be required whenever the laptop is powered on. The PIN is always entered using the numeric keys on the Laptop keyboard.
Note: Your IT may set the PIN initially for you.
Important: Your PIN should never be stored on your laptop computer or written on a paper.
Changing the PIN
If you would like to change your PIN, you can do so by:
1. Logging onto the laptop
2. In Control Panel go to BitLocker Drive Encryption
3. Select the change PIN option.
Note: Changing PIN requires administrative privileges on Windows 7, so you may need the help of your IT team.
What if I forget my PIN?
If you forget your PIN, the data on the laptop can be recovered. Authorized members of IT Services staff have access to a recovery key which can be used to bypass the PIN requirement. Contact IT Services in the event you have forgotten you PIN, you may need to bring your laptop to IT Services.
Protecting Data drives with BitLocker
If your computer has a data drive that contains important data, BitLocker should be enabled on it. Enabling Bitlocker on data drive requires administrative rights and you may need the help of IT services.
Once BitLocker is enabled on your data drive, a password will be needed to unlock the drive unless you choose (Automatically unlock on this computer from now on). Nevertheless, you should maintain the drive password just in case. If you forgot the drive password, and you found a problem accessing the drive, IT services will help you recover the drive data. You can also change the data drive password from (Manage BitLocker) settings under Control Panel.
Protecting USB drives with BitLocker
If you are transferring important data to USB drives, you can enable encryption (BitLocker) on your USB drive by right clicking the USB drive icon in Windows explorer and choosing (Turn on BitLocker). You will be requested to enter a password to protect your USB drive. This password will be required whenever you access the USB drive. You will also be prompted to store a recovery key that can be used in case you forgot the password. IT services cannot help you if you forgot your USB drive BitLocker password and the recovery key. Access to that USB and its content in that case will be lost forever.
Standby Mode (Sleep Option)
Laptops will be able to hibernate but standby mode (putting your computer in “Sleep”) should not be used. This is because a laptop on standby does not require entry of the PIN. Allowing the laptop to enter standby represents a security risk.
Will BitLocker effect performance of my laptop?
The performance implication of encrypting you laptop system disk with BitLocker technology is minimal. The overhead is around 3% on a modern laptop.
Removing BitLocker protection
Once a laptop has been issued by IT Services with BitLocker protection enabled, you cannot remove this encryption. The only option available to you is to change the PIN for the laptop. In the event that the device must be decrypted, IT Services can facilitate this. The device must be returned to a safe and secure location whilst it is not encrypted. It must not be taken off site.
Contoso IT Team
Contoso BitLocker User Guide
1't to worry about it. It should be a seamless process and should not affect your experience.
Once a laptop has been issued by IT Services with BitLocker protection enabled, you ca