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I want to make a silent installation of an MSI file.
What is the difference between /qn and /quiet as parameters to msiexec.exe?
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MSIEXEC Parameters: /qn : Displays no user interface. /qb : Displays a basic user interface. /qr : Displays a reduced user interface with a modal dialog box displayed at the end of the installation. /qf : Displays the full user interface with a modal dialog box displayed at the end.
The /qn is an msiexec switch indicating to run with no UI. You can find all msiexec switches in this support article. The "wierd" format is required because that is how the InstallShield command-line parser is programmed to function.
It uses msiexec.exe to install the setup and accepts the standard MSI parameters. MSI's silent install standard parameters are as follows: /quiet - quiet mode (there is no user interaction) /passive - unattended mode (the installation shows only a progress bar)
/passive. Passive display option. The installer displays a progress bar to the user that indicates that an installation is in progress but no prompts or error messages are displayed to the user. The user cannot cancel the installation.
There is no difference. /q(x) existed since the initial versions of MSI and /quiet was added later in MSI 3.0 (Presumably to make it easier to understand by users.)
Command-Line Options (All Versions)
Standard Installer Command-Line Options (MSI 3.0+)
/quiet
Note The equivalent Windows Installer Command-Line Option is /qn.
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