Have you done an SAP upgrade before? Do you think you know how it works? Well, forget everything you've learned in the past – the process for upgrading to release 7.0 is completely different!

This comprehensive guide covers the entire upgrade process for both, ABAP and ABAP/Java double-stack upgrades, as well as the highly complicated Combined Upgrade & Unicode Conversion (CU&UC). You learn everything about the new upgrade tools as the authors walk you through the PREPARE and upgrade phases, post-processing, and modification adjustment - from A to Z.

You'll also benefit from the authors' extensive project management experience while you learn how to plan and prepare for an upgrade project, and what to avoid. Exclusive tips and numerous lessons learned are guaranteed to help make your upgrade to the next release, be it to ECC 6.0, BI 7.0, or SCM 5.0, a smooth and painless transition.

The first edition of this book was published as an SAP PRESS Essentials guide under the title "mySAP ERP Upgrade Project Guide".

Highlights

• The Upgrade Project
• Upgrade Tools
• PREPARE and Upgrade Processes for ABAP and Java
• Unicode and the Combined Upgrade & Unicode Conversion (CU&UC)
• Upgrade post-processing
• Modification Adjustment
• Upgrading BI, SCM, and CRM

Table of Contents

1. Introduction ... 21

2. Upgrading SAP: The Project Perspective ... 27
... 2.1 Why Upgrade? ... 27
... 2.2 What Is the Effort? ... 29
... 2.3 To Which Release? ... 30
... 2.4 The Technical SAP Upgrade in a Nutshell ... 30

3. The SAP Upgrade Project ... 33
... 3.1 Project Planning ... 33
... 3.2 Aspects to Consider ... 35
... 3.3 Where to Start? ... 39
... 3.4 The Master Project Plan ... 39
... 3.5 The Project Team ... 41
... 3.6 The Testing Phase ... 42
... 3.7 Status Reporting ... 45
... 3.8 Enabling New Customizing and Functionality ... 55
... 3.9 Capacity Planning When Upgrading to SAP ERP ... 57
... 3.10 SAP Solution Manager and the SAP Upgrade Roadmap ... 60
... 3.11 Final Tips and Recommendations ... 61

4. Technical Background Information ... 63
... 4.1 The SAP NetWeaver Architecture ... 63
... 4.2 Introducing SAP ERP ... 66
... 4.3 Names and Numbers: An Overview of SAP Releases ... 68
... 4.4 Support Packages and Add-ons ... 69
... 4.5 The System Switch Upgrade ... 70
... 4.6 Upgrade Strategy Planning ... 72
... 4.7 Database-Specific Aspects ... 76
... 4.8 Upgrades in an MCOD System Landscape ... 78
... 4.9 The SAP Landscape During the Upgrade ... 80
... 4.10 Upgrading the Frontend Software ... 86
... 4.11 The Customer-Based Upgrade ... 86
... 4.12 The Application Specific Upgrade ... 88
... 4.13 Synchronized Upgrade of Double-Stacked Systems ... 89

5. Planning the Upgrade ... 93
... 5.1 Top-Level View ... 93
... 5.2 Downtime-Minimized Versus Resource-Minimized ... 95
... 5.3 Database Archiving Mode ... 96
... 5.4 Which Strategy Is the Best? ... 98
... 5.5 Time Schedule for Technical Upgrade ... 99
... 5.6 Pre-Upgrade Downtime ... 101
... 5.7 Upgrade Services ... 102

6. Preparing the Technical Upgrade ... 105
... 6.1 The Upgrade Documentation ... 106
... 6.2 Hardware and Software Requirements ... 114
... 6.3 The Upgrade Directory ... 121
... 6.4 The Media Directory ... 126
... 6.5 The Upgrade Media ... 129
... 6.6 Support Packages and Other Fixes ... 136

7. A Guided Tour of the Upgrade Tools ... 149
... 7.1 Introducing the Tools ... 150
... 7.2 Installation of the Upgrade Tools: ABAP ... 162
... 7.3 Using the ABAP Upgrade Assistant ... 167
... 7.4 Installation of the Upgrade Tools: Java ... 188
... 7.5 Using the Java SDT GUI ... 191
... 7.6 Ready to Go ... 196

8. Preparing the Upgrade for SAP ECC ... 197
... 8.1 SAP Solution Manager System ... 197
... 8.2 Review of Transport Requests ... 199
... 8.3 Activities in the SAP System ... 199

9. PREPARE Process for SAP ECC ... 205
... 9.1 PREPARE ... 205
... 9.2 The Upgrade Assistant (UA) ... 208
... 9.3 The Initial Extraction Script ... 210
... 9.4 SAPup and Correction Transports ... 210
... 9.5 Copy Phase List Files to PC (Optional) ... 211
... 9.6 Install UA GUI on Workstation (Optional) ... 211
... 9.7 Start the UA Server ... 212
... 9.8 Start UA GUI and Log In ... 213
... 9.9 Runtime of PREPARE ... 214
... 9.10 Input Up to Phase Selection ... 215
... 9.11 Entering the CD/DVD Mount Points ... 217
... 9.12 Kernel Extraction and Optional Replacement ... 217
... 9.13 Input for Server and Path Names ... 218
... 9.14 Input for Parallel Processing ... 219
... 9.15 Further Input for Path Names ... 219
... 9.16 Input for MCOD ... 220
... 9.17 Upgrade Key (from SAP Solution Manager) ... 220
... 9.18 J2EE Instance (Double-Stacked System) ... 220
... 9.19 Tool Import ... 221
... 9.20 Input for Language Selection ... 221
... 9.21 Add-on and Patch Binding ... 222
... 9.22 Input for Modification Adjustment ... 226
... 9.23 Input for the Shadow Instance ... 228
... 9.24 Application-Specific Upgrade (ASU) ... 229
... 9.25 Result of PREPARE ... 230
... 9.26 Correcting Errors Reported by PREPARE ... 230
... 9.27 Repeating PREPARE ... 235
... 9.28 After the End of PREPARE ... 236
... 9.29 SAP Start and Stop Scripts (UNIX) ... 237
... 9.30 Resetting PREPARE ... 237

10. The Upgrade Process for SAP ECC ... 239
... 10.1 Uptime or Downtime? ... 239
... 10.2 Starting SAPup Without an Error-Free PREPARE ... 240
... 10.3 Upgrade Assistant (UA) ... 240
... 10.4 Starting the Upgrade ... 241
... 10.5 Interaction Until Start of Import ... 241
... 10.6 Data Import ... 247
... 10.7 The Shadow Instance ... 247
... 10.8 Stop for Modification Adjustment ... 248
... 10.9 The Activation Phase ... 250
... 10.10 Handling Activation Errors ... 252
... 10.11 Repeat the Activation ... 255
... 10.12 Shadow Instance Stopped ... 255
... 10.13 Incremental Conversion (ICNV) ... 256
... 10.14 Import Language Data and Support Packages ... 263
... 10.15 Upgrade Waits for the J2EE Upgrade ... 264
... 10.16 Upgrade Reaches Downtime Point ... 264
... 10.17 Isolating the Central Instance ... 265
... 10.18 Entering Downtime ... 268
... 10.19 Logging on to SAP During Downtime ... 269
... 10.20 Unlock the System to Correct Errors ... 269
... 10.21 User Interaction and Monitoring During Downtime ... 270
... 10.22 The Switch Phases: EU_SWITCH and KX_SWITCH_1 ... 270
... 10.23 Table-Conversion Phase: PARCONV_UPG ... 270
... 10.24 Import Control Data: TABIM_UPG ... 270
... 10.25 Conversion Programs: XPRAS_UPG ... 271
... 10.26 The Kernel Switch KX_SWITCH_2 ... 273
... 10.27 The Final Phases ... 273
... 10.28 Upgrade Information Files ... 278
... 10.29 Closing the Upgrade Assistant ... 279

11. Upgrade Postprocessing for SAP ECC ... 281
... 11.1 Actions at Operating System Level ... 281
... 11.2 Actions at Database Level ... 282
... 11.3 Activities in the SAP System ... 283
... 11.4 Save the Upgrade Logs ... 291

12. Prepare the Upgrade for the AS Java ... 293
... 12.1 Activities in the SAP System ... 293
... 12.2 Ready to Go! ... 296

13. The PREPARE Process for the AS Java ... 297
... 13.1 Functions of PREPARE ... 297
... 13.2 Modification Adjustment ... 298
... 13.3 Upgrade in a NWDI Landscape ... 299
... 13.4 Starting PREPARE for the First Time ... 300
... 13.5 Starting the SDTGui ... 301
... 13.6 Start PREPARE ... 302
... 13.7 PREPARE Modules: Initialization and Extraction ... 305
... 13.8 PREPARE Module: Configuration ... 311
... 13.9 PREPARE Modules: General Checks and Finalization ... 314

14. The Upgrade Process for the AS Java ... 317
... 14.1 Starting the Upgrade ... 317
... 14.2 UPGRADE Phases: DEPLOY_ ... 319
... 14.3 Upgrade Phase: DOWNTIME_END ... 322

15. Upgrade Postprocessing for the AS Java ... 325
... 15.1 The saproot.sh Script (UNIX) ... 325
... 15.2 Upgrading the Dialog Instances ... 325
... 15.3 Changing Passwords ... 326
... 15.4 Updating the SLD Content ... 326
... 15.5 Additional Postprocessing Steps ... 328

16. Upgrade of SAP NetWeaver Business Intelligence ... 329
... 16.1 BW-Specific Tasks ... 330
... 16.2 The PREPARE and Upgrade Process for SAP BW ... 339
... 16.3 Upgrade Postprocessing for SAP BW ... 344

17. Upgrade of SAP SCM ... 347
... 17.1 Upgrading SCM APO ... 347
... 17.2 Preparatory Actions ... 350
... 17.3 Program /SAPAPO/OM_LC_UPGRADE_50 ... 354
... 17.4 PREPARE and Uptime Part of Upgrade ... 357
... 17.5 Actions Between PREPARE and the Start of the Upgrade ... 363
... 17.6 Uptime Part of Upgrade ... 364
... 17.7 Downtime Part of Upgrade ... 364|