In this Video, Step by Step Demonstration is being done on Hacking Windows Server 2012 Administrator Password..
Steps are as follows:
Step 1: Start the Machine with Windows Server 2012 Bootable DVD
Step 2: Press Next on Opening Screen
Step 3: At the bottom left of the screen
click the option to Repair your computer.
DO NOT CLICK ON INSTALL NOW!!!
Step 4: Select the Troubleshoot Option
Step 5: Now Select Advanced Options
Step 6: Lastly Select the Command Prompt