# Starting the EMS Server Using JSON Configuration

Note: Users using the Central Administration feature must start the EMS server in JSON mode. This is done from the command line, using the `-config` option to specify the JSON configuration file. For more information, see 'JSON Configuration Files' in the TIBCO Enterprise Message Service Central Administration guide.

Your JSON-configured `tibemsd` must be running before it can be added to the Central Administration server list. To start the TIBCO Enterprise Message Service server using the JSON configuration file:

## Procedure

1. From the command line, navigate to EMS_HOME`/bin`.
2. Enter the following command and option:

       tibemsd -config json-file-path

   where json-file-path is the path to your JSON configuration file. For example:

       tibemsd -config /tibemsconfig/tibemsd.json

   When started using the JSON configuration, the `tibemsd` silently ignores any unknown parameters. For example, no configuration errors are thrown if the `tibemsd.json` file contains an obsolete parameter.

   Note: For information on converting `.conf` configuration files to JSON configuration files, see 'Conversion of Server Configuration Files to JSON' in the TIBCO Enterprise Message Service Central Administration guide.

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