What is SAP PI UI Tools?

You can use different SAP PI user interface tools to access different components of SAP PI system architecture. The most common UI tools are −

  • ES Builder − this tool offers Java user interface for working in Enterprise Service Repository ESR.
  • SAP NW Developer Studio − this is Java Eclipse-based tool to view and edit some object types in Enterprise Service Repository.
  • Integration Builder − this tool offers Java-based user interface to work in the Combination Manual.


This is SAP client tool to contact ABAP stack of the SAP PI system.

The following design shows the different UI tools of SAP PI and the constituents that can be log on using these tools.


SAP PI — Platform

Single Stack vs. Dual Stack

In SAP PI older issues, not all the constituents were based on a single platform. Few modules like Integration Engine, Business Process Device and Combination Builder were based on ABAP stack and other constituents like Enterprise Service Repository ESR, Integration Directory (SLD, Adapter Engine, etc.) were based on Java Stack. So these types of systems were called dual stack systems as PI essential both ABAP and Java stack to run.

ABAP Stack

Java Stack

Integration Engine

Enterprise Service Repository ESR

Business Process Engine

Integration Directory

Integration Builder

(Runtime Workbench, System Landscape, Adapter Engine, Mapping Runtime)

In the modern issues of SAP PI, ABAP stack constituents are improved to work on Java stack so, SAP PI needs only Java stack to run and is called the single stack system.

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