In order to get around this problem, Macrium uses Windows PE, a cut down version of Windows which is booted. the 'C drive' containing the operating system files, it is not possible to restore files in real time because they are in use by the current session of the operating system. When you click OK, you can then follow the steps in the first part of this document to complete the restore.Ī Youtube video outlines some of the basic issues discussed here: The Original Size button sets the partition to be exactly the same size as it was prior to backup.The Minimum Size button configures the partition to take the minimum size which in this case is roughly the same as the amount of data on the disk i.e.The Maximum Size button configures the partition to take the maximum available unallocated space on the disk, in this case about 1TB (the size of the disk).You can then fine tune the exact partition size, its free space and alignment by using the controls on the bottom left of the dialog.By clicking on the arrows above the disk view, you can click-and-drag the size of the partition as you wish.

You can modify and select the partition type i.e.

You can modify the resultant drive letter by choosing one from the pull-down list.

There are a number of things you can do here:

Macrium reflect resize partition