How to install an MSI file unattended
MSIEXEC /a “product.msi” /qn
Example:
MSIEXEC /a “d:downloadsssdt.msi)” /qn
Typically this installation will not show any user interaction or verbose logging.
Combine with the Full MSI Syntax options as listed below to output installation progress to a log file.
Other installation considerations – passive mode
Another great option to consider is using the /passive parameter.
This parameter will provide UI interaction and show progress graphically.
MSIEXEC /a “product.msi” /passive
Full MSI syntax options
msiexec /Option [Optional Parameter]
Install Options i> Installs or configures a product /a <Product.msi> Administrative install - Installs a product on the network /j<u|m> <Product.msi> [/t <Transform List>] [/g <Language ID>] Advertises a product - m to all users, u to current user </uninstall | /x> <Product.msi | ProductCode> Uninstalls the product Display Options /quiet Quiet mode, no user interaction /passive Unattended mode - progress bar only /q[n|b|r|f] Sets user interface level n - No UI b - Basic UI r - Reduced UI f - Full UI (default) /help Help information Restart Options /norestart Do not restart after the installation is complete /promptrestart Prompts the user for restart if necessary /forcerestart Always restart the computer after installation Logging Options /l[i|w|e|a|r|u|c|m|o|p|v|x|+|!|*] <LogFile> i - Status messages w - Nonfatal warnings e - All error messages a - Start up of actions r - Action-specific records u - User requests c - Initial UI parameters m - Out-of-memory or fatal exit information o - Out-of-disk-space messages p - Terminal properties v - Verbose output x - Extra debugging information + - Append to existing log file ! - Flush each line to the log * - Log all information, except for v and x options /log <LogFile> Equivalent of /l* <LogFile> Update Options /update <Update1.msp>[;Update2.msp] Applies update(s) /uninstall <PatchCodeGuid>[;Update2.msp] /package <Product.msi | ProductCode> Remove update(s) for a product Repair Options /f[p|e|c|m|s|o|d|a|u|v] <Product.msi | ProductCode> Repairs a product p - only if file is missing o - if file is missing or an older version is installed (default) e - if file is missing or an equal or older version is installed d - if file is missing or a different version is installed c - if file is missing or checksum does not match the calculated value a - forces all files to be reinstalled u - all required user-specific registry entries (default) m - all required computer-specific registry entries (default) s - all existing shortcuts (default) v - runs from source and recaches local package
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