Installation and Upgrade > Windchill ESI > Installing and Configuring Windchill ESI in an ORACLE Applications Environment > Using the Middleware Installation and Configuration Utility > Using the Middleware Installation and Configuration Utility (MICU)
  
Using the Middleware Installation and Configuration Utility (MICU)
This section describes how to launch and use the Middleware Installation and Configuration Utility (MICU) to install and configure Windchill ESI. Windchill ESI can be installed and configured all at once (Typical) or in separate components (Custom).
Typical
This option enables you to install and configure theWindchill ESI middleware in its entirety. During this process you configure the ESI Business Logic and install the following components:
TIBCO Enterprise Messaging Service
TIBCO BusinessWorks
TIBCO Administrator
TIBCO Adapter for SAP or Oracle
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If not already on your system the TIBCO Runtime Agent is also installed. The TIBCO Runtime Agent is a prerequisite required for installing TIBCO BusinessWorks, TIBCO Administrator and TIBCO Adapter for SAP or Oracle.
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Windchill ESI can be configured and deployed on multiple SAP or Oracle instances.
Custom
This option allows you to select components to install, including the option to configure the ESI Business Logic. The following components can be selected for installation:
TIBCO Enterprise Messaging Service
TIBCO BusinessWorks
TIBCO Administrator
TIBCO Adapter for SAP or Oracle