Source: http://systemcenter-virtual.blogspot.no/2012/10/hyper-v-server-corehow-to-reassign.html
From the Server Core server, in the command prompt I type :
C:> diskpart |
Next it will display
DISKPART > |
Type List Volume
DISKPART > list volume |
The listing will be like below
Volume #### ——————- |
Ltr —- |
Type ——- |
Volume 0 | E | DVD-ROM |
Volume 1 | C | Partition |
<Look for type DVD-CD to find drive letter>
Type the following to change the drive letter, in the example below, I’m changing it to Drive Z for my DVD-ROM
DISKPART > select volume 0 DISKPART > assign letter=z DISKPART > exit |