# Starting and Configuring the Central Administration Server

Before starting the Central Administration Server, you should create a Data Directory and a Configuration File.

To start the Central Administration server from the command line, navigate to EMS_HOME`/bin` and run the script:

On UNIX:

`tibemsca` [options]

On Windows:

`tibemsca.bat` [options]
Note: If the Central Administration server cannot locate the data directory, the startup process is suspended. For more information see Data Directory.

To configure Central Administration server settings, use the command line arguments in Central Administration Server Options.

The command options to Central Administration server can also be passed using a configuration file described in Configuration File. However, the command options override any value specified in the configuration file

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