> Installation Requirements
> Before starting the installation procedure, review the topics in this section to determine that your system meets the basic requirements and that you have the prerequisite software installed.
> Required Software

> ● | Java Runtime Environment (JRE) (current release).

> ● | Java Developer Kit (JDK), version 1.5 or later.

> ● | Hibernate Core for Java and related jar files is required if you will use the database store feature, which allows the EMS server to store messages in a database.

> Hibernate Core for Java is available, along with your TIBCO Enterprise Message Service product distribution, from download.tibco.com. See Table 3 for a list of supported databases and drivers.
> TIBCO Software

> ● | TIBCO Rendezvous 8.1 or higher is required if you will use TIBCO Enterprise Message Service to exchange messages with TIBCO Rendezvous. If Rendezvous is already installed on your network, additional licenses are required only if you are adding additional hosts (client, server, development subnets, and so on) to your network.

> ● | TIBCO SmartSockets 6.8.1 or higher is required if you will use TIBCO Enterprise Message Service to exchange messages with TIBCO SmartSockets. If SmartSockets is already installed on your system, additional licenses are required only if you are adding additional RTclients or RTservers to your network.

> Database Servers and Drivers
> The database store feature is supported with the following databases and corresponding drivers:

> Table 3 Supported Databases and Drivers
> Database | Driver
> MySQL InnoDB | MySQL Connector: mysql-connector-java-5.0.6-bin.jar
> Microsoft SQL Server | Microsoft JDBC Driver for SQL Server: sqljdbc.jar
> Oracle 9i and 10g | Oracle JDBC Thin Driver: ojdbc14.jar or ojdbc5.jar
> Oracle Real Application Clusters (RAC) 10g | Oracle Instant Client 11g, a light-weight JDBC OCI driver
> ● | ojdbc5.jar with JDK 1.5
> ● | ojdbc6.jar with JDK 1.6
> IBM DB2 Server 8.1 and 9.1 | DB2 Universal JDBC Driver: db2jcc.jar and db2jcc_license_cu.jar

> For more information about the database store feature, see Store Messages in a Database of the TIBCO Enterprise Message Service User’s Guide.
> System Requirements

> ● | Hardware Memory: 1GB of RAM recommended

> ● | Disk Space: 600MB for installation on UNIX platforms; 512MB on Windows.

> ● | Disk Space for Messaging: 256MB minimum

> Disk Space
> Temporary Disk Space Required by the Installer
> When a TIBCO Enterprise Message Service package is unpacked, it is extracted into a temporary folder. The installer requires at least 250 MB of free space in the temporary directory. On Microsoft Windows, the temporary directory location is %SystemDrive%:\Documents and Settings\user_name\Local Settings\Temp.
> If your system does not have sufficient free disk space in the default temporary directory, you can run the installer with a different temporary directory by using the following option when starting the installer. For example:
> TIBCOUniversalInstaller -is:tempdir \new_tmp
> where \new_tmp has sufficient free disk space.
> The installer calculates the disk space required in product home location for the selected components. The calculation is done before the actual installation (copying of files to system) begins. The installer will proceed only if sufficient free disk space is available in product home location.
> However, if disk space is consumed by another process while the installer is copying the files, and if the required disk space is thereby reduced, the installer may fail and will then give a failure message.
> While performing installation, avoid running other processes that consume disk space in product home location.
> Disk Space After Installation
> TIBCO EMS can consume 600MB of free space under TIBCO_HOME on UNIX platforms, and 512MB on Windows platforms.
> Disk Space Requirement in User's Home Directory
> On UNIX platforms, when a regular (non-root) user installs a TIBCO product, the installation registry (vpd files) is maintained in the user's home directory. As more products are installed, entries are added into these vpd files.
> The user's home directory must at least have 1MB of free disk space.
> VMS
> To run EMS client programs, user accounts must have NETMBX and TMPMBX privileges.
> Supported Platforms
> Supported platforms are listed in the following sections:

> ● | On UNIX: Table 4, UNIX Distribution Directories

> ● | On Windows: Table 5, Microsoft Windows Distribution Directories

> ● | On VMS: Table 6, VMS Distribution Directories

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