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April 15, 2026

Unattended Installation of Helpdesk Support Tool

The Helpdesk Support Tool MSI supports unattended installation by using MSI properties to specify installation parameters. To perform an unattended installation, run the msiexec utility from the command line with the following property.

PropertyDescription
INSTALLDIRThe absolute path to the installation directory. Default value is %ProgramFiles%\Omnissa\DEM.

The following is an example of a custom unattended installation command using the INSTALLDIR property to specify the path to the installation directory:

msiexec.exe /i "Omnissa DEM Helpdesk Support Tool 2412 10.14 x86.msi" /qn INSTALLDIR="D:\Apps\Omnissa DEM" /l* InstallHelpdeskSupport.log

The command for a typical unattended installation which installs Helpdesk Support Tool in the default installation directory looks like the following:

msiexec.exe /i "Omnissa DEM Helpdesk Support Tool 2412 10.14 x86.msi" /qn

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