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The command uses standard Windows Installer (msiexec) switches combined with Sophos-specific public properties:
msiexec is the command-line interface for the Windows Installer, a utility that manages the installation, update, and removal of software packages on Windows systems. The /qr option, in particular, specifies a quiet reduced UI installation, which means the installation process will display a minimal interface, only showing a progress window.
Typical msiexec install syntax:
: The installation switch, indicating that the specified package should be installed. : A user interface level flag for "Reduced UI". Unlike (completely silent),
msiexec /i "SophosOutlookAddinSetup.msi" /qn ADDLOCAL=FeatureMain,FeatureOutlookAddin msiexec qr i sophosoutlookaddinsetupmsi t1 ec3 c1 i1 work
That command is a specialized "silent" install string for the , typically used by IT admins to deploy email encryption or phishing reporting tools across a company without bothering users with pop-up windows. 🛠️ Breaking Down the Command
If you executed the original command and saw an error like: : A user interface level flag for "Reduced UI"
For successful deployment, administrators should verify the exact .msi filename and ensure that any property parameters are formatted correctly according to the Windows Installer standard. Properly deployed, this tool is a critical layer in defending enterprise email environments against threats.