Step 4: (optional) Update RabbitMQ Permissions
The Discovery Server installation package automatically installs RabbitMQ Server.
You can opt to connect to a preexisting RabbitMQ installation, if you have one, later in this installation procedure.
Optional steps:If you want to connect to a preexisting RabbitMQ installation from a Discovery Server installation, you may need to add permissions to the admin RabbitMQ user at this time. To do so, follow the steps in Add permissions to admin RabbitMQ user for preexisting RabbitMQ version.