You need to use the "start" parameter to restore an image to unallocated space through command-line

Explanation of why there can be up to 7.8 MBytes of unallocated space that cannot be removed by usual means

You need to have unallocated space on the disk with the partition the size of which you intend to increase

The issue is only with Acronis Bootable Media. As a workaround, convert the disk from Windows


  1. You installed Management Server on a machine, then registered and activated this Management Server, and allocated some licenses to it.
  2. You reinstalled the operating system on the machine where Management Server was installed or reinstalled Acronis Cyber Protect Management Server;