1 Introduction

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1.1 SAP Enhancement Packages — from the Idea to the Implementation

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1.1.1 Selective Installation

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1.1.2 Selective Activation

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2 Architecture and Technology

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2.1 Brief Introduction to the Development of the SAP ERP Architecture

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2.1.1 SAP Industry Solutions

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2.1.2 Integration of Industry Solutions with the Standard SAP ERP Solution

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2.2 Architecture of Enhancement Packages

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2.2.1 Technical Usages and Product Instances

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2.2.2 Software Components of Enhancement Package 4 for SAP ERP

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2.2.3 Prerequisites for the Installation of an Enhancement Package

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2.2.4 Cumulative Delivery

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2.2.5 Comparing Standard Release, Enhancement Package, and Support Package

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2.2.6 Support Package Strategy and Equivalence Levels

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2.2.7 Enhancement Packages for SAP NetWeaver

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2.3 Development of Enhancement Packages

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2.3.1 Switch Framework

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2.3.2 Enhancement Framework

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2.3.3 SAP Enhancement Package Development Guidelines

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2.3.4 Effects on Customer Developments

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2.4 Business Functions

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2.4.1 Change Analysis of the User Interfaces (Impact Analyzer)

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2.4.2 Reversibility of Business Functions

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2.4.3 Transport of Switch Statuses in System Landscapes

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2.4.4 Documentation and Test Case Templates

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2.4.5 Business Process Change Analyzer

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3 Successful Enhancement Package Project Management

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3.1 Five Success Factors for Enhancement Package Projects

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3.1.1 Maintenance Planning

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3.1.2 IT Infrastructure Planning

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3.1.3 Necessary Adjustment Work

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3.1.4 Change Management — Sandbox System and Double Maintenance

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3.1.5 Test Management

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3.2 Application Lifecycle Management

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3.3 Enhancement Package Project Phases and Activities

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3.3.1 Phase 1: Requirements

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3.3.2 Phase 2: Design

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3.3.3 Phase 3: Build & Test

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3.3.4 Phase 4: Deploy

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3.4 Enhancement Package Project Statistics

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3.5 Customer Example

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3.5.1 Project Idea

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3.5.2 SAP System Landscape

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3.5.3 Project Phases

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3.5.4 Summary

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3.6 Eight Tips for a Successful Enhancement Package Project

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4 Implementation Tools and Service Offers

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4.1 SAP Solution Manager in Enhancement Package Implementation Projects

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4.1.1 SAP Solution Manager Work Centers

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4.1.2 Prerequisites and Recommendations

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4.1.3 Key Terminology

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4.1.4 Overview of the Technical Activities

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4.2 System Landscape in SAP Solution Manager

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4.2.1 Automatic Creation of Systems Using the SLD

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4.2.2 Manually Creating Systems in the System Landscape

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4.2.3 Necessary Manual Postprocessing

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4.2.4 Creating Logical Components

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4.2.5 Summary

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4.3 Maintenance Optimizer in SAP Solution Manager

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4.3.1 Basic Settings in the Maintenance Optimizer

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4.3.2 Downloading an Enhancement Package for SAP ERP

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4.3.3 Package Configuration File

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4.4 SAP Add-On Installation Tool

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4.4.1 Differences to the EHP Installer

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4.4.2 “Downtime Minimized” Option

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4.5 SAP EHP Installer

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4.5.1 Key Terminology

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4.5.2 Development from the Repository Switch to the System Switch Procedure

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4.5.3 The System Switch Procedure of EHP Installer

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4.5.4 Supported Tools for the Enhancement Package Installation

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4.5.5 Technical Structure of the Installation Program

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4.5.6 Communication Routine

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4.5.7 Starting EHP Installer

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4.5.8 Installation Directory

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4.5.9 Installation Interface SDT GUI

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4.5.10 Roadmap Steps of an Enhancement Package Installation

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4.5.11 Installing Technical Usages Retroactively

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4.5.12 Phase List for the Enhancement Package Installation

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4.6 Service Offers and Useful Utilities

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4.6.1 SAP Enhancement Package Info Center

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4.6.2 SAP Enhancement Package Experience Database

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4.6.3 Solution Browser Tool

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4.6.4 ASU Toolbox

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4.6.5 Upgrade Dependency Analyzer

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4.6.6 Test Catalogs and Test Case Templates

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4.6.7 Switch Framework Cockpit

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4.6.8 Service Offers for Enterprise Support Customers

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4.6.9 Service Offers from Consulting

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5 Practical Experience and Tips on Enhancement Package Installations

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5.1 Useful Tips on SAP Solution Manager

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5.1.1 Updating Product Data in SAP Solution Manager

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5.1.2 Practical Approach for Selecting Relevant Technical Usages

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5.1.3 Selecting the “Correct” Product Version

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5.1.4 Special Features of the Package Configuration Files

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5.1.5 Checking the Consistency of the Installation Queue

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5.1.6 Deselecting Packages of the Installation Queue

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5.1.7 Additional Documentation

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5.2 Useful Tips on EHP Installer

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5.2.1 Additional Documentation and Information

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5.2.2 Installation Cookbook

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5.2.3 Parallel Enhancement Package Installations on a Physical Host

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5.2.4 Configuring EHP Installer (Preconfigured Modes)

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5.2.5 Handling Add-ons in Enhancement Package Installations

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5.2.6 Important Commands for the Administration of the Shadow Instance

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5.2.7 Activation Errors in the ACT_UPG Phase

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5.2.8 Important Checkpoints before Starting the Technical Downtime

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5.2.9 Generating a Print Revision of an Enhancement Package Installation

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5.2.10 Maintenance Project after Completion of an Enhancement Package Installation

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5.3 Analysis and Optimization of an Enhancement Package Installation

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5.3.1 Comparing Uptime, Downtime, and Business Downtime

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5.3.2 Installation Runtime and Downtime

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5.3.3 Runtime Analysis File of an Enhancement Package Installation

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5.3.4 Evaluating the Runtime Analysis File

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5.3.5 General Recommendations on Optimizing the Downtime

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5.3.6 Optimization Potential of Parallel Processes

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5.3.7 Optimization Potential of Individual Downtime Phases

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5.4 Recommendations on Activating Business Functions

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5.4.1 Preparations

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5.4.2 Switching On a Business Function

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