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Installation, Deployment, and Upgrade
Installing HCL Discover involves planning and preparing your environment, installing and configuring prerequisite software, obtaining the HCL Discover installation files, and running the HCL Discover installer.
Installation and Deployment Manual
Preparing to install the software
Preparing to install HCL Discover involves assessing your current IT resources, determining and cataloging the HCL Discover component-to-server assignments, installing and configuring prerequisite software and preparing the servers and your network environment to accept HCL Discover.
Installing and configuring prerequisite software
Before you install and configure HCL Discover, you must install and configure the prerequisite software.
Prerequisite configurations for Discover Replay Server
The Discover Replay Server contains a web application component named DOMDiffServer. The Discover Replay Server isntallation deploys DOMDiffServer web application and Apache Tomcat version 10.1.16 (the new Apache Tomcat version is applicable from version 12.1.9 and above).

Installation, Deployment, and Upgrade
Installing HCL Discover involves planning and preparing your environment, installing and configuring prerequisite software, obtaining the HCL Discover installation files, and running the HCL Discover installer.
- Installation and Deployment Manual
  - Planning the installation
    Planning for HCL Discover before introducing its software into your enterprise information system helps ensure that the system you implement meets your needs.
  - Preparing to install the software
    Preparing to install HCL Discover involves assessing your current IT resources, determining and cataloging the HCL Discover component-to-server assignments, installing and configuring prerequisite software and preparing the servers and your network environment to accept HCL Discover.
    - Installing and configuring prerequisite software
      Before you install and configure HCL Discover, you must install and configure the prerequisite software.
      - Installing .NET framework
        In order to run HCL Discover Portal, you must install Microsoft™ .NET framework and ASP.NET
      - Registering IIS
        After you install the latest .Net Framework you must register IIS to ensure that the framework is ready to receive the HCL Discover installation.
      - Setting up SQL Server to work with HCL Discover
        After installing SQL Server you need to configure it to work with HCL Discover.
      - Prerequisite configurations for Discover Replay Server
        The Discover Replay Server contains a web application component named DOMDiffServer. The Discover Replay Server isntallation deploys DOMDiffServer web application and Apache Tomcat version 10.1.16 (the new Apache Tomcat version is applicable from version 12.1.9 and above).
    - Preparing the installation environment
      You must prepare your environment to accept the HCL Discover installation.
  - Installing HCL Discover
    Installing HCL Discover involves obtaining the installation files for HCL Discover and then running the product installers.
  - ELK Installation
    To access the Kibana Dashboard and the Elastic search, you must install the ELK RPM.
  - Ctree Server License constraints
    The Ctree Server License constraint enforces the processor affinity mask of DB processes to four CPUs or lesser.
  - Adding new events and modifying associated dimensions for UAParser
    Once the Discover Portal is up and running, add new events and modify associated dimensions, related to UAParser, by executing the following steps on the Discover Portal server:
- Discover Network Capture Application Manual
- HCL Discover Session Archiving Installation Guide
  As you prepare for an installation, you need to gather some items, review hardware and software requirements, and then you can perform the installation.
- Discover Upgrade Manual

Prerequisite configurations for Discover Replay Server

The Discover Replay Server contains a web application component named DOMDiffServer. The Discover Replay Server isntallation deploys DOMDiffServer web application and Apache Tomcat version 10.1.16 (the new Apache Tomcat version is applicable from version 12.1.9 and above).

Before you begin

Java 11 is a prerequisite for Apache Tomcat webserver runtime. Before installing Discover Replay Server, you must configure JAVA_HOME.

About this task

Note: If you had an earlier version of Apache Tomcat, it was using JRE_HOME environment variable. If you have already configured JRE_HOME, you must remove that variable. Having both JRE_HOME and JAVA_HOME will cause issues with Apache Tomcat's start.bat and shutdown.bat.

To configure JAVA_HOME, complete the following steps:

Procedure

Download JDK version 11.0.16.
Extract the contents of the ZIP file to the required location and folder.
For the JAVA_HOME environment variable, point it to the extracted location and folder.

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