# Distributed Engine Configuration Parameters

If you install and operate the DAH as a stand-alone component, you must create a `[DistributedEngineN]` section for each of the IDOL servers or other child servers that the DAH communicates with, in which you can specify the server configuration details. See Child Server Configuration Parameters.

NOTE: You must set the DistributedEngines parameter in the `[Server]` section to the number of distribution child servers you create.

For example:

    [DistributedEngine0]
    Host=testserver1
    Port=9000
    Type=IDOL

    [DistributedEngine1]
    Host=testserver2
    Port=9920
    Type=K2

    [DistributedEngine2]
    Host=testserver3
    Port=210
    Type=Z39.50
    DefaultRelevance=80
    RequiresAuthentication=TRUE
    QueryFormat=PQF
    ResponseFormat=XML

NOTE: This configuration for the DAH distribution child servers is not used for IDOL integrated DAH.

- For integrated configurations in which DAH and DIH are configured together, see Distribution IDOL Servers Configuration Parameters.
- For integrated configurations in which DAH and DIH are configured separately, see DAH Engines Configuration Parameters.

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