If you are installing a beta or RC version of VMware Tools in a Windows Server 2003 or earlier guest operating system, you can use a computer properties setting to suppress prompts that interfere with automatic installation of VMware Tools.

The version of VMware Tools included in a beta or release candidate version of a VMware product usually has some drivers that are signed only by VMware. If you are installing one of these versions in many virtual machines that run Windows Server 2003 or earlier guest operating systems, or if you plan to install VMware Tools from the command line, you can suppress prompts about unsigned drivers. If you do not suppress the prompts, during a VMware Tools installation, a message box appears several times and requires you to click Continue Anyway to complete the installation.


  • Power on the virtual machine.
  • Log in to the guest operating system as an administrator.


  1. In the Windows Server 2003 or earlier guest operating system, in the Start menu, right-click My Computer and select Properties.
  2. In the System Properties dialog box, click the Hardware tab and click Driver Signing.
  3. In the Driver Signing Options dialog box, click Ignore and click OK.
  4. Click OK in the System Properties dialog box.


When you run the VMware Tools installer, no prompts appear in the guest operating system.

What to do next

Install VMware Tools. See Automate the Installation of VMware Tools in a Windows Virtual Machine.