sap implementation approach
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ERP Implementation Choices
ERP Implementation MethodologiesSAP Implementation Methodology (ASAP)
Strategic Implementation Decisions
ERP Implementation Choices
ERP Implementation MethodologiesSAP Implementation Methodology (ASAP)
Strategic Implementation Decisions
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
ERP Implementation Phases Can be used for any ERP implementation Based on Project Management Methodology
Project Initiation Planning Controlling Execution Closeout
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
ERP Implementation Phases According to Ross:
Design Implementation Stabilization Continuous Improvement Transformation
Markus and Tanis: Chartering Project Shakedown Onward and Upward
ERP Implementation Choices
ERP Implementation MethodologiesSAP Implementation Methodology (ASAP)
Strategic Implementation Decisions
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
SAP Implementation Timeline Accelerated SAP (ASAP) Implementation Methodology
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
What is ASAP Methodology?
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Project Success With ASAP Meth.
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Phase-1 Project Preparation
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Phase- 2 Business Blueprint
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Phase-3 Realization
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Project Plan Outline for Realization
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Phase-4 Final Preparation
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Phase-5 Go Live & Support
ERP Implementation Choices
ERP Implementation MethodologiesSAP Implementation Methodology (ASAP)
Strategic Implementation Decisions
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Strategic ERP Implementation Choices
Timeline Big Bang Implementation Phased (Roll Out) Implementation Mini Big Bang (Combination of big bang and roll-out)
Staff/Resources Outsourcing In-house
Customization Level
Pro’s and Con’s?
Pro’s and Con’s?
Pro’s and Con’s?
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Customization in ERP Environment
Technical Customization
Process Customization
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
ERP Technical Customization Davenport:
Module Selection Table Configuration Code Modification
Brehm, et.al. : Configuration Bolt-on’s Screen masks
(eg: 3 screens into 1) Extended Reporting Workflow Programming User Exits ERP Programming
(eg: ABAP/4) Interface Development Package Code Modification
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Module Selection Implement one or more modules Default configuration of the vendor May be appropriate for small companies Rarely sufficient for many companies
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Configuration Configuration: Changing parameters in tables in
SAP R/3 SAP promises that configuration specifications
will transfer without problems to later versions of their software
SAP calls configuration customization
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Configuration in SAP R/3: SPRO
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
The Implementation Guide (IMG)
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Defining Companies
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Code Modification (Customization) Customization: Changing code in SAP R/3. Today such changes are done in a
programming language developed by SAP called ABAP/4. (In future it will also be possible in J2EE.)
May involve defining new database tables It is possible to make changes to the code that
SAP will not support. Future upgrades will need to be re-customized
(expensive).
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Process Customization Process Customization: The degree to which
the business process is changed to fit the system.
Business process: Tasks Resources Outcome Relationships among tasks Relationships among resources and tasks
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Process Customization Categories No change
Change in tasks and resources No changes in relationships among task and configuration of
resources Eg: Task automation
Incremental change Improvements in tasks and resources Improvements in relationships among tasks Improvements in relationships among tasks and resources. Nature of process and outcome measures unchanged Eg: Total Quality Management (TQM)
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Process Customization Categories
Radical Change Fundamental rethinking and radical redesign of
elements in a business process including measures of performance
Eg: Business Process Reengineering Eg: Move from functional view of organizations to
process view of orgs.
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
ERP Customization Choices
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Questions?
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Sources
Kenny Leung- SAP Summit 2005 Hong Kong Luo, W., & Strong, D. M. (2004). A framework
for evaluating erp implementation choices. IEEE Transactions on Engineering Management, 51(3), 322-333.
Brehm, Heinzl, and Markus, “Tailoring ERP Systems: A Spectrum of Choices”, 2000
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
Some Terminology Basis Software. The R/3 Basis is similar to an operating
system that specifically has the capability of processing any of the SAP R/3 transactions. It’s a middleware between the operating system and the servers that allow for smooth operations across different servers, operating systems, and databases.
ABAP: Advanced Business Application Programming (ABAP/4), is a special‑purpose, fourth generation language developed by SAP, is used to write programs for the specialized requirements of creating custom reports, screens, user‑defined functions, and special industry solutions for use with the SAP R/3 System.
IST 600 ERP Systems: Key Implementation Issues U. Yeliz Eseryel
What is SAP Netweaver? A comprehensive integration and application platform,
SAP NetWeaver works with your existing IT infrastructure to enable and manage change.
SAP NetWeaver embraces Internet standards such as HTTP, XML, and Web services. Ensuring openness and interoperability with Microsoft .NET
and Java 2 Platform Enterprise Edition (J2EE) environments such as IBM WebSphere.
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