# DIH Engines Configuration Parameters

The `[DIHEngines]` section configures the total number of child servers that DIH communicates with..

For each child server, you must also create a `[DIHEngineN]` subsection, in which you specify the child server configuration details.

NOTE: There are two options for configure DIH child servers, `[DIHEngines]` and `[DistributionIDOLServers]`.

In a stand-alone DIH with its own configuration file, you can use either option. However, you must use the same section format for all your child servers (that is, you must not specify some child servers in one type of section, and some in the other).

In a unified IDOL Server configuration, the section that you use depends on your system set up. See Child Server Configuration Parameters.

For example:

    [DIHEngines]
    Number=2

    [DIHEngine0]
    Host=localhost
    Port=9000

    [DIHEngine1]
    Host=12.3.4.56
    Port=9000

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