For your target you’ll need a bootable NTFS file system. You reach this requirement with the following commands:
diskpart select disk "disknumber" clean create partition primary select partition 1 active format fs=ntfs quick assign exit
After this preparation you can copy the files onto the disk.
Remarks: If you have the problem with Windows Server that the “disk is offline because of policy set by an administrator” then you have to proceed the following steps before:
diskpart san policy=OnlineAll select disk "disknumber" attributes disk clear readonly online disk