# Enable the JVM

The Java virtual machine is enabled in the EMS server, through parameters in the tibemsd.conf configuration file.

The parameters that enable and configure the JVM are:

- `jre_library`—enables the JVM.
- `jre_option`—allows you to pass standard JVM options, defined by Sun Microsystems, to the JVM at start-up.

For more information about these parameters, see JVM Parameters and `tibemsd.conf`.

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