Sun Java System Application Server Enterprise Edition 8.1 2005Q2 High Availability Administration Guide

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## Prerequisites

Before configuring HADB, do the following:

### To prepare your system for High Availability

1. Install Application Server instances and the Load Balancer Plug-in.

   For more information, see the Java Enterprise System Installation Guide (if you are using Java ES) or Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Installation Guide (if you are using the standalone Application Server installer).

2. Create Application Server domains and clusters.

   For more information, see the Sun Java System Application Server Enterprise Edition 8.1 2005Q2 Administration Guide.

3. Install and configure your web server software.

   For more information, see Configuring Web Servers for Load Balancing

4. Setup and configure load balancing.

   For more information, see Setting Up HTTP Load Balancing.

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- Next: Starting the HADB Management Agent

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