Chapter 1. System Requirements
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## Chapter 1. System Requirements

### Thomas Heute

`<theute@jboss.org>`

### Roy Russo

`<roy@jboss.org>`

A list of tested versions or reported as working by users, before reporting a problem please make sure that you are using a compatible version.

If you successfully installed JBoss Portal on versions not listed here please let us know so we can add it here.

## 1.1. Minimum System Requirements

- JDK 5 (JDK 6 is not part of the test platform)
- 512 MB RAM
- 100 MB hard disk space
- 400 MHz CPU

## 1.2. Supported Operating Systems

JBoss Portal is 100% pure Java and therefore interoperable with most operating systems capable of running a Java Virtual Machine (JVM); including Linux, Windows, UNIX, MacOS X.

## 1.3. JBoss Application Server

JBoss Portal 2.6.3 is tested with JBoss AS 4.2.1, JBoss AS 4.2.2 and JBoss EAP 4.2. It is highly recommended to use JBoss Portal 2.6.3 with JBoss Enterprise Application Platform 4.2 for customers who have access to it through the support portal and JBoss AS 4.2.2 for everybody else.

### Warning

4.0.x versions are not supported

## 1.4. Database

JBoss Portal is Database-Agnostic.

### Note

JBoss Portal employs Hibernate as an interface to RDBMS. Most RDBMS supported by Hibernate will work with JBoss Portal.

The following list, outlines known-to-be-working database vendor and version combinations:

- MySQL 4.x.x (along with the connector 3.0.16)
- MySQL 5 ( known issue )
- PostgreSQL 8.x
- HypersonicSQL
- Derby
- Oracle 9 and 10g (make sure to use the latest driver of Oracle's 10 branch even when running Oracle 9)
- Microsoft SQL Server
- MaxDB

## 1.5. Source building

The source building mechanism works on Linux, Windows, MacOS X and any 'Unix like' operating system.

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