Certain models of WD My Book do not support the WD Unlocker VCD and require WD Security and WD Drive Utilities or WD Discovery to be installed to unlock and access the drive.

Auto unlock DOES NOT occur if there are file system corruption, disk sector and I/O errors.Auto unlock DOES NOT occur for any other user account on the computer where it was enabled, unless the other user also enabled auto unlock for the same drive on the same computer.Auto unlock DOES NOT follow the user to other computers if the user account is part of a Domain.WD Discovery, WD Security and WD Drive Utilities should be installed to ensure consistent auto unlock operations.The auto unlock setting on a password protected drive allows the drive to auto unlock for this computer and User: (drive_user). Information about the auto unlock feature or WD Security software on password protected drives.*ENDĪ WD Security password protected drive does not auto unlock while connected to a computer.