The reason for this is to ensure that when issuing SECURE ERASE commands, the device can remain in a secure state while, at the same time, allowing a device unlock if power loss or some other unforeseen event occurs during the processing of the SECURE ERASE commands. Starting with Windows 8, the ability to send ATA Security Group commands (such as the commands used to perform SECURE ERASE) is restricted to the Windows Preinstallation Environment (WinPE) with the use of a specific, hard-coded password. A SECURITY FREEZE LOCK is sent at driver initialization time preventing an erase. Note In Windows Vista and Windows 7, no ATA Security Group commands are permitted in the Microsoft-provided ATA storage driver stack. ![]() This page describes special requirements for sending certain ATA Security Group commands.
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