Welcome
Installing
Planning the installation
Before you install or update the product, plan the installation. When you effectively plan and understand the key aspects of the installation process, you can ensure a successful installation.
Installation requirements
To install the product, you must meet several requirements, including requirements for hardware, software, server environment, and operating systems.
Requirements for installers
You must have a user ID that meets specific requirements before you can install your product.

Overview
Getting started
Installing
- Installation introduction
  This section contains the instructions to install, update, and uninstall your product.
- Planning the installation
  Before you install or update the product, plan the installation. When you effectively plan and understand the key aspects of the installation process, you can ensure a successful installation.
  - Installation road map
    The installation road map lists the high-level steps for installing your product.
  - Installation Manager
    You can use IBM® Installation Manager to install, update, and modify IBM software packages. You can also track what you installed, determine what is available to install, and organize installation directories.
  - Installation requirements
    To install the product, you must meet several requirements, including requirements for hardware, software, server environment, and operating systems.
    - Hardware and software requirements
      Before you install the product, verify that your hardware and software meet or exceed the minimum requirements. If your hardware and software do not meet the minimum requirements, you might not be able to install or run the product.
    - Requirements for installers
      You must have a user ID that meets specific requirements before you can install your product.
  - Installation considerations
    As you plan your installation, determine the details of the installation.
- Preinstallation tasks
  To prepare for and simplify the installation process, back up files, prepare databases and servers where required, and configure workstations.
- Installing Rational® Business Developer
  To install IBM Rational Business Developer, follow the procedures in this section.
- Installing WebSphere® Application Server
  You can install WebSphere® Application Server.
- Post-installation tasks
  After you install your product, complete post-installation tasks, configure your product, and then start the product.
- Modifying software
  With the Modify Packages wizard in IBM® Installation Manager, you can change the language and feature selections of an installed product package. You can also use the Modify Packages wizard to install new features that might be included in a package update, such as a refresh pack.
- Updating software
  You can search for product updates and install the updates for your IBM® product.
- Reverting updates to previous versions
  You can remove an update to a package in order to revert to a previous version by using the Roll Back wizard of IBM® Installation Manager.
- Uninstalling software
  Use the IBM® Installation Manager to uninstall your product. If no other products are installed, you can uninstall Installation Manager also.
- Installing silently
  You can install a product package silently by using either Installation Manager in silent installation mode or by using IBM® Installation Manager installer. When you run Installation Manager in silent mode, the user interface is not available; instead, a response file inputs the commands that are required to install the product package.
Upgrading and migrating
Developing
Samples
Troubleshooting and support
EGL runtime error messages
Reference
Glossary
Using the help
Notices for IBM Rational Business Developer documentation

Requirements for installers

You must have a user ID that meets specific requirements before you can install your product.

Verify that your user ID meets these requirements before you begin to install your product:

Your user ID must not contain double-byte characters.
For Microsoft™ Windows™ operating systems: the user privileges required for installing depend on the version of Windows™ on your computer:
- For Windows™ Vista, you must log in to the Administrator account (or run as Administrator; right-click the program file or shortcut and select Run as Administrator) to perform these tasks:
  - Install or update IBM® Installation Manager
  - Install or update a product offering
  - Install an Authorized-User license key for your product by using IBM® Installation Manager
  Important:
  To enable users who are not the Administrator to work with a product on Windows™ Vista:
  - Do not install the product into a package group (installation location) in the Program Files directory (C:\Program Files\) and do not choose a shared resources directory in the Program Files directory.
  - If you are extending an existing Eclipse installation, then do not install Eclipse in the Program Files directory (C:\Program Files\).
- For other supported Windows™ versions, you must have a user ID that belongs to the Administrators group.
For Linux™: You do not need to log in as root.