Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Developer's Guide

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### System Administrator

The system administrator is responsible for:

- Configuring message security providers on the Application Server.

- Managing user databases.

- Managing keystore and truststore files.

- Configuring a Java Cryptography Extension (JCE) provider if using Encryption and running a version of the Java SDK prior to version 1.5.0.

- Installing the samples server in order to work with the example message security applications.

A system administrator uses the Admin Console or the `asadmin` tool to manage server security settings and `keytool` to manage certificates. System administrator tasks are discussed in the Configuring Message Security chapter of the Sun Java System Application Server Platform Edition 8.1 2005Q2 Update 2 Administration Guide.

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