- Decrypt the disk using the defined method as provided by the software vendor.
- Uninstall the previously installed vendor’s software (or verify BitLocker is disabled).
- Reboot the device.
- Run chkdsk and defragment the drive.
- Check each device for a Normal Master Boot Record (MBR)
and confirm that a Normal Boot Sector is present on the boot partition.
Note:
The device cannot be a dual-boot machine.
- Back up user files.
- Install Full Disk Encryption. For more information, see Full Disk Encryption Deployment.
Parent topic: Replacing a Previously Installed Encryption Product