To do so, click to clear the Copy NT signature check box, if necessary. Leave the NT signature – keep the old target disk signature and update the operating system according to the signature. The Shut down the machine after the operation check box is selected and disabled automatically. Otherwise, the OS will start from the first of the two, and the OS on the second disk will become unbootable.” You will receive the warning: “If there is an operating system on the hard disk, uninstall either the source or the target hard disk drive from your machine prior to starting the machine again. To do so, select the Copy NT signature check box. To retain system bootability on the target disk volume you can:Ĭopy the NT signature – provide the target disk with the source disk NT signature matched with the registry keys that will also be copied on the target disk. The operating system on that disk will be unbootable. As a result, all the volumes on the second disk will lose their letters, all paths will not be valid anymore, and programs won't find their files. If there are two disks with the same NT signature that comprise a system volume on a machine, at the startup the operating system runs from the first disk, discovers the same signature on the second one, and then automatically generates a new unique NT signature and assigns it to the second disk. However, two disks with the same NT signature cannot work properly under one operating system.
It means that the operating system must have the system volume information (for example, volume letter) matched with the disk NT signature, which is kept in the MBR disk record. If you are cloning a disk comprising a system volume, you need to retain the operating system bootability on the target disk volume.
Select whether to copy the NT signature or not. The data on its volumes will be overwritten." If you proceed, all the data that is currently on the target disk will be lost irrevocably. If there is data on the target disk, you will see the warning: " The selected target disk is not empty.
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