To Perform a Custom Installation of Bentley i-model Composition Server for PDF, with an Orchestration Instance

Follow the steps in To Install Bentley i-model Composition Server for PDF (standard installation) until you get to the Configuration Types page.
Select Custom and click Next.
The Orchestration Components page opens.
Turn on Create orchestration instance.

Note: When performing a custom install and Create orchestration instance is on, all dispatchers will be installed (they are all selected, and they are disabled from being deselected).
To install more than one of a particular processor, increase the number next to the processor as needed.
Leave the other processors set to 1.
Click Next.
When the Configuration In Progress page says "Configuration is complete" (over the progress bar), click Close.

Note: You can rerun the Configuration Wizard any time after installation by doing the following:

Go to the Start page and type Bentley i-model Composition Server Configuration, or go to Start > Apps > Bentley and click Bentley i-model Composition Server Configuration.