If the server comes up with the following BSOD 0x0000007B similar to below
Boot the virtual machine to a Windows server CD
Click Next on the language selection screen
Select repair your computer
Click Next on loading recovery tools
Launch CMD prompt
Type Regedit
Highlight HKLM then click on File -> Load Hive and select the file on the OS drive named Windows\System32\config\system. Name the hive recovery or whatever you want