# Use Unattended Installation

For many IDOL setups, you might want to install multiple sets of the same components with the same settings, on different machines. In this case, you can use the unattended installation mode.

NOTE: Unattended installation is a feature of the BitRock InstallBuilder installers. For more information, refer to the InstallBuilder documentation.

You can use this procedure to install any IDOL component that uses an InstallBuilder installer (for example, connectors).

For an unattended installation mode, you provide all the installation options at the command line, and the installer runs without any further user interaction. You can also supply the installation options in an options file.

To retrieve a full list of installation options for the installer

1. Open a command prompt.
2. Navigate to the directory that contains the installer file.

3. Run the following command:

       InstallerName.exe --help

   where `InstallerName` is the full name of the installer file, for example `IDOLServer_11.0.0_WINDOWS_X86_64`.

This option displays the help page for the installer, which includes all the options that you can set on the command line.

To run the installer in unattended mode

1. Open a command prompt.
2. Navigate to the directory that contains the installer file.

3. Run the installer with the `--mode` command-line option set to `unattended`. For example:

       InstallerName.exe --mode unattended

   where `InstallerName` is the full name of the installer file, for example `IDOLServer_11.0.0_WINDOWS_X86_64`.

   The default option installs a unified IDOL Server. To install a custom set of components, you can specify additional installation parameters on the command line, or you can set the `--optionfile FileName` option to specify a file that contains the installation options. For example:

       InstallerName.exe --mode unattended --optionfile IDOLinstall.options

   The option file must contain a list of `key=value` pairs, with one parameter on each line. For example:

       param1=value1
       param2=value2

For more information, refer to the BitRock InstallBuilder documentation.

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