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ES Repository as part of SAP Netweaver

Enterprise Services Repository (ES Repository) is delivered as part of SAP
NetWeaver Composition Environment (CE) and SAP NetWeaver Process
Integration (PI). If you have an installation of SAP NetWeaver CE and PI in your
system landscape, SAP strongly recommends that you maintain all your design
objects in a single ES Repository.


Depending on the scenario, you can run a wizard, which automatically disables one repository and reconfigures the other as the central repository.

You can run this wizard only from the SAP NetWeaver Administrator on CE If you want to configure the CE ES Repository as your central repository, the wizard performs the following steps:

• Disables the ES Repository on PI
• Connects the ES Repository on CE
• Creates the PI service and content users on the CE system
• Performs post configuration checks

SAP NetWeaver Process Integration has a tight coupling with ES Repository and requires configuration to connect to a given ES Repository. By default, SAP NetWeaver Process Integration connects to the default ES Repository delivered with it, while SAP NetWeaver CE can connect to any ES Repository in the landscape.

Hence, until enhancement package 1 of SAP NetWeaver CE 7.1, we recommended to use the ES Repository delivered with SAP NetWeaver Process Integration as the central ES Repository in your landscape.

However, as of SAP NetWeaver CE 7.2, SAP provides the capability to automatically reconfigure your SAP NetWeaver Process Integration to connect to the latest ES  Repository in the landscape. So if you have an installation of SAP NetWeaver CE 7.2 or above version, we recommend to use the latest version of ES Repository in the landscape.

With PI 7.3, it is not possible to have one ES Repository for both the PI 7.3 dual
stack installation and the PI 7.3 AEX (java standalone) installation.

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