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Lion 10.7.4 in VMWare Workstation Techpreview 2012

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After strugling arround with missing guest addition in Virtualbox 4.1.18 for Lion 10.7.4 i've decided to tryVMWare Workstation Techpreview June 2012 for Windows.



1. VMware-workstation-full-e.x.p-754035.exe (~490MB, found here free: http://communities.vmware.com/community/vmtn/beta/workstationtp2012 , licence is valid till Ocotober)

2. VMware unlocker 1.1 (~4MB found here: http://www.insanelymac.com/forum/index.php?showtopic=267296 )

3. Retail 10.7.4 dmg image (~4,3GB, buy online or get from somewhere else)

4. MagicISO 5.5 (~3MB, found here: http://www.magiciso.com/download.htm )

5. 7-Zip 9.2 (~1MB, found here: http://www.7-zip.org/)



1. Install Techpreview

2. Run VMWare unlocker 1.1/VMware 8.x Series (run as admin: install.cmd), Techpreview should not run

3. Extract dmg image with 7-Zip

4. Start MagicISO and use Menuitem Tools/Convert dmgExtractFolder/InstallMacOSX.pkg/InstallESD.dmg to InstallESD.iso

5. Run Techpreview and create new vm:

- at least 2GB RAM

- at least 20GB SCSI HD

- at least USB, otherwise mouse/keyboard will not work!

- keep other settings as the are

- mount InstallESD.iso as iso-file for the virtual dvd/cd-rom

6. Start VM:

- vm will start in EFI-mode and boot the dvd, installer will start after a while

- use diskutil to delete harddisk to have a fresh installation disk for lion

- pick lion harddisk for installation of pre install files

- continue

- after restart, choose harddisk for final installation and finish installation with needed settings

7. Installation finished :)


Post Installation

1. mount darwin.iso to the virtual dvd/cd-rom which is located in the tech preview install folder (c:\Program Files (x86)\VMware\VMware Workstation\darwin.iso)

2. Run Lion, start finder, browse to dvd, start installation of guest additions

3. Reboot

4. Done :)



Installation of Lion 10.7.4 on efi vm is working like a charm. No need to modify the installation files or use Chamelon or any other type of MBR bootloader.

Just Extract your vanila dmg image, convert your InstallESD.dmg to iso and start installing.


The vm runs bloody fast with guest additions. Great work VMWare, great work creater of VMWare unlocker!

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Could you describe the benefit?

VMware Tech Previews always have debug version enabled. This gets around that limitation and runs release version of core VMware service.

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