Introduction
Before you can begin to publish and subscribe to documents, whether locally or using a webMethods messaging provider, you need to configure Integration Server for webMethods messaging. This configuration consists of using the Integration Server Administrator to:

Configure one or more connections to one or more messaging providers (
Universal Messaging or
Broker).

Configure document stores where
Integration Server will save documents until they can be published or processed.

Specify a user account for executing services specified in
webMethods messaging triggers that receive messages from
Broker.

Configure a document history database if you intend to use exactly-once processing.

Configure a key cross-referencing and echo suppression database.

Configure settings for handling native
Broker events.

Configure other
Integration Server parameters that can affect a publish-and-subscribe solution.