Workstation 12 exclusive Mode

Product: VMWare Workstation Pro 12

Host: Windows 7 SP1

VM: Windows 7 SP1

Use of the VM: SCADA HMI - essentially the Kiosk Mode

I'm looking for a way to have the virtual machine to start in exclusive mode automatically, essentially creating a kiosk environment.

I am currently deploy 12pcs industrial workstation at the manufacturing plant. These computers are currently configured as follows

  • Automatic startup and connection of the host operating system
  • Autostart and VMware mode connection full screen
  • Automatic start of the SCADA software that has built-in filtering of CTRL, ALT, Win key for OS VM

  • Host operating system use Sharpkeys to turn off CTRL left and disable the ALT right as method of obfuscation to prevent accidental exclusive mode
  • The value to hide the edge of the toolbar of VMware
  • VMs will be protected to prevent changes to VMware

If an engineer starts the system, they are asked to put the virtual machine in exclusive mode. Obfuscation prevents most operators to discover the correct method of CTRL + ALT key to take the virtual machine in exclusive mode. We can both sets of CTRL, ALT keys if necessary, but it is not the purpose of this post.

However if the user reboots the machine, which they have been known to do, the virtual machine does not start in exclusive mode, which represents an opportunity for operators interested in search or access the desktop of the host. It's not supposed to be an analysis of standard operating procedures and documents indicating the operator don't not to 'play '.

Is there an integrated method, or by the use of 3rd party software, by which we can ensure the virtual machine starts in exclusive mode?

Workaround to exclusive mode and create a nickname Kiosk Mode

Use vmware-kvm option.

With VMware Workstation 12, you can run virtual machines with VMware KVM, which allows you to use

shortcut keys to switch between the execution of virtual machines and the host, as if they were attached to a KVM switch

By default, you will not have a toolbar. In the KVM mode preferences (run vmware - kvm.exe - preferences), you can disable the CTRL + ALT key capture, allowing you to host. Since it allows the switching key you will take care to set the key to something like F2 switch, then use a free program like Sharpkeys to remove the assignment of the F2 key on the host. This essentially locks the user in the guest operating system by trapping the F2 key to pass. You do even if you don't have that 1 virtual machine running as the default behavior is to switch to the host operating system.

There is one last caveat, Ctrl + Alt + Del is always available. It will activate the host and guest OS Secure Attention sequence (SAS). This can be bad. Never fear there is ways around this problem. Registry keys using following you can disable/remove all options on the screen Ctrl + Alt + Delete.  The user sees only a Cancel button. You may need to do this in your OS invited also based on this software is running. I use Wonderware that allows only keytrap mechanisms so only the host was necessary for me.

In this file (saved as a .reg) applying it will do the following:

For the computer Local - all options enabled (do not want to lock other users, such as recording manually as an administrator)

For the current user (assumed there is auto login user by default)

Disable/remove the following options:

  • Hide the fast user switching
  • Disable Task Manager
  • Disable Lock Workstation
  • Disable change password
  • No logoff

Windows Registry Editor Version 5.00

; This disables the CTRL ALT DEL Secure Attention sequence (SAS) options

; anti-pop filter

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem\\\]

"HideFastUserSwitching" = DWORD: 00000001

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem\\\]

"DisableChangePassword ' = -.

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem\\\]

"DisableTaskMgr" = -.

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionPoliciesSystem\\\]

"DisableLockWorkstation =.

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]

"HideFastUserSwitching" = DWORD: 00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]

"DisableTaskMgr" = DWORD: 00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]

"DisableLockWorkstation" = DWORD: 00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]

"DisableChangePassword" = DWORD: 00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]

"NoLogOff" = DWORD: 00000001

You can also use sharpkeys turn off Ctrl, Alt, delete (6 total) function keys but you must do so within the host and the guest, and this could prove problematic.

There are other ways to accomplish this as removing the shell from Explorer to the host operating system at startup and its replacement by the VMware - KVM.exe (it's another registry setting), Ditto for the guest operating system.

Tags: VMware

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                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   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    John:

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    Concerning
    Aman...

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    Hi all

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    Best regards
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