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1.4. Installation and Upgrade
For instructions on how to install JBoss Enterprise Web Server, see Part 1 Installation. Upgrading JBoss Enterprise Web Server is not supported. To upgrade to 2.1 from an older version, a fresh installation is recommended..
Warning
If the RPM method was used to install JBoss Enterprise Web Server 1.x, it is not possible to remove JBoss Enterprise Web Server 1.x and install JBoss Enterprise Web Server 2.1 on the same machine. On a machine where JBoss Enterprise Web Server 1.x was installed using the ZIP method, it is possible to remove version 1.x and install version 2.1 on the same machine.
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