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Upgrade Guide
Planning the Unica Journey installation
When you plan your Unica Journey, you must ensure that you have set up your system correctly, and that you have configured your environment to deal with any failures.
Installation order for Unica Journey
When you install multiple Unica products, you must install them in a specific order.

Upgrade Guide
- Upgrade overview
  An upgrade of HCL Unica products is complete when you upgrade, configure, and deploy all the HCL Unica products. The upgrade Guide provides detailed information about upgrading, configuring, and deploying the products.
- Planning the Unica Journey installation
  When you plan your Unica Journey, you must ensure that you have set up your system correctly, and that you have configured your environment to deal with any failures.
  - Prerequisites
  - Deployment Diagram
    Please find below Unica applications deployment diagram including Unica Journey. Unica Journey needs to be installed on top of Unica Platform being used for other products in Unica suite.
  - Installation order for Unica products
    When you install or upgrade multiple Unica products, you must install them in a specific order.
  - Unica Journey installation worksheet
    Use the Unica Journey installation worksheet to gather information about the Unica Journey database and about other Unica products that are required for the upgrade of Unica Journey.
  - Installation order for Unica Journey
    When you install multiple Unica products, you must install them in a specific order.
- Creating the Unica Journey Data Sources
  You must create Unica Journey data sources before you can install Unica Journey. Complete the following steps to prepare the data sources for Unica Journey:
- Installing Unica Journey
  You must run the Unica installer to start the installation of Unica Journey. The Unica installer starts the product installer during the installation process. Make sure that the Unica installer and the product installer are saved at the same location.
- Configuring Unica Journey
  Before you deploy Unica Journey, you must set up the Unica Journey system user, set Unica Journey configuration properties, and verify the Unica Journey installation.
- Deploying Unica Journey application
  You can deploy the Unica Journey web application by using a WAR file or you can deploy the individual WAR files.
- Uninstalling Unica Journey
  Run the Unica Journey uninstaller to uninstall Unica Journey. When you run the uninstaller, the files that were created during the installation process are removed. For example, files such as configuration files, installer registry information, and user data are removed from the computer. Stop the processes that are related to Unica Journey before uninstallation.

Installation order for Unica Journey

When you install multiple Unica products, you must install them in a specific order.

The following table provides information about the order that you must follow when you install Unica Journey.

Table 1. Installation order for Unica Journey
Installation order for Unica Journey
Product	Install in this order
Unica Journey	Unica Platform Unica Journey

Note: Unica Journey installs three components:

Unica Journey Web application -- Unica Journey web application can be deployed in supported application server i.e. Oracle, SQL Server, OneDB, MariaDB.
Unica Journey Engine: It does not require any deployment in application server, Journey engine can get started from command line / terminal as a standalone application.
Apache Kafka: Kafka server and zookeeper gets installed together and can be started on command line or terminal. Unica Journey all three components can be installed on same or different machines.

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