mySAP ERP Upgrade Project Guide

1. About This Book ... 7

2. Upgrading SAP: The Project Perspective ... 9
... 2.1 Why Upgrade? ... 9
... 2.2 What is the Effort? ... 10
... 2.3 To Which Release? ... 10
... 2.4 The Technical SAP Upgrade in a Nutshell ... 10

3. The SAP Upgrade Project ... 13
... 3.1 Project Planning ... 13
... 3.2 Aspects to Consider ... 14
... 3.3 Where to Start? ... 16
... 3.4 The Master Project Plan ... 16
... 3.5 The Testing Phase ... 18
... 3.6 Status Reporting ... 19
... 3.7 Capacity Planning when Upgrading to mySAP ERP ... 24
... 3.8 Finally ... 25

.4 Technical Background Information ... 27
... 4.1 The SAP NetWeaver Architecture ... 27
... 4.2 Introducing mySAP ERP ... 29
... 4.3 Names and Numbers: An Overview of SAP Releases ... 30
... 4.4 Support Packages and Add-ons ... 30
... 4.5 The System Switch Upgrade ... 31
... 4.6 Upgrade Strategy Planning ... 32
... 4.7 Database-Specifi c Aspects ... 34
... 4.8 Upgrades in an MCOD System Landscape ... 35
... 4.9 The SAP Landscape During the Upgrade ... 36
... 4.10 Upgrading the Front-End Software ... 40

5. The Upgrade Tools ... 41
... 5.1 The SAP Upgrade Guides ... 41
... 5.2 SAP Solution Manager and the SAP Upgrade Roadmap ... 42
... 5.3 The PREPARE ... 43
... 5.4 The Upgrade Assistant and Upgrade Monitor ... 44
... 5.5 The Upgrade Executables ... 46
... 5.6 Incremental Table Conversion (ICNV) ... 48
... 5.7 The Application Specific Upgrade (ASU) ... 50
... 5.8 The Customer Based Upgrade (CBU) ... 51
... 5.9 The SAP Web Application Server Java ... 52
... 5.10 SAP NetWeaver Application Server 7.00 and Above ... 52

6 Upgrading Other R/3 Systems ... 55
... 6.1 Upgrade of mySAP CRM ... 55
... 6.2 Upgrade of SAP Business Information Warehouse (BW) ... 56
... 6.3 Upgrade of mySAP SCM ... 57

7. The Upgrade Process in Detail ... 61
... 7.1 Top-level view ... 61
... 7.2 Downtime-Minimized Versus Resource-Minimized ... 62
... 7.3 Database Archiving Mode ... 63
... 7.4 Which Strategy Is the Best? ... 64
... 7.5 Time Schedule for Technical Upgrade ... 65
... 7.6 Contents of the Following Chapters ... 66

8. Preparing the Upgrade ... 67
... 8.1 Upgrade Services ... 67
... 8.2 Platform Support ... 68
... 8.3 Upgrade Documentation ... 70
... 8.4 SAP Solution Manager System ... 71
... 8.5 Software for the Upgrade ... 72
... 8.6 The Upgrade Directory ... 74
... 8.7 Other Directories ... 75
... 8.8 Disk-Space Requirements ... 76
... 8.9 Pre-Upgrade Downtime ... 77
... 8.10 Review of Transport Requests ... 77
... 8.11 Activities in the SAP System ... 78
... 8.12 Generating the Upgrade Key in SAP Solution Manager ... 80
... 8.13 Ready to Go! ... 80

9. The PREPARE Process ... 81
... 9.1 The Upgrade Assistant ... 81
... 9.2 The Initial Extraction Script ... 82
... 9.3 R3up and Correction Transports ... 82
... 9.4 Copy Phase List Files to PC (Optional) ... 82
... 9.5 Install UA GUI on Workstation (Optional) ... 83
... 9.6 Start the UA Server ... 83
... 9.7 Start UA GUI and Log In ... 83
... 9.8 Run Time of PREPARE ... 84
... 9.9 Input Up to Phase Selection ... 84
... 9.10 Entering the CD/DVD Mount Points ... 85
... 9.11 Kernel Extraction and Optional Replacement .... 85
... 9.12 Input for Server and Path Names ... 85
... 9.13 Input for Parallel Processing ... 85
... 9.14 Further Input for Path Names ... 86
... 9.15 Upgrade Key (from SAP Solution Manager) ... 86
... 9.16 Input for MCOD ... 86
... 9.17 Tool Import ... 86
... 9.18 Input for Language Selection ... 86
... 9.19 Add-on and Patch Binding ... 87
... 9.20 Input for Modification Adjustment (SPDD/SPAU) ... 88
... 9.21 Input for Shadow Instance ... 89
... 9.22 Application Specific Upgrade (ASU) ... 90
... 9.23 Result of PREPARE ... 91
... 9.24 Correcting Errors Reported by PREPARE ... 91
... 9.25 Repeating PREPARE ... 94
... 9.26 After the End of PREPARE ... 94
... 9.27 SAP Start and Stop Scripts (UNIX) ... 94
... 9.28 Resetting PREPARE ... 95

10. The Upgrade Process (R3up) ... 97
... 10.1 Uptime or Downtime? ... 97
... 10.2 Starting R3up Without an Error-free PREPARE ... 97
... 10.3 Upgrade Assistant ... 97
... 10.4 Starting the Upgrade ... 98
... 10.5 Interaction until Start of Import ... 98
... 10.6 Data Import ... 100
... 10.7 The Shadow Instance ... 100
... 10.8 Stop for Modification Adjustment (Transaction SPDD) ... 101
... 10.9 The Activation Phase ... 102
... 10.10 Handling Activation Errors ... 103
... 10.11 Repeat the Activation ... 105
... 10.12 Shadow Instance Stopped ... 105
... 10.13 Incremental Conversion (ICNV) ... 105
... 10.14 Import Language Data and Support Packages ... 106
... 10.15 Upgrade Reaches Downtime Point ... 107
... 10.16 Isolating the Central Instance ... 107
... 10.17 Entering Downtime ... 108
... 10.18 Logging on to SAP During Downtime ... 109
... 10.19 Unlock the System to Correct Errors ... 109
... 10.20 User Interaction and Monitoring During Downtime ... 109
... 10.21 The Switch Phases: EU_SWITCH and KX_SWITCH ... 109
... 10.22 Table-Conversion Phase: PARCONV_UPG ... 110
... 10.23 Import Control Data: TABIM_UPG ... 110
... 10.24 Conversion Programs: XPRAS_UPG ... 110
... 10.25 The Final Phases ... 111
... 10.26 Upgrade Information Files ... 113
... 10.27 Closing the Upgrade Assistant ... 114
... 10.28 Resetting the Upgrade ... 114

11. Upgrade Post-Processing ... 115
... 11.1 Actions at Operating System Level ... 115
... 11.2 Actions at Database Level ... 116
... 11.3 Activities in the SAP System ... 116
... 11.4 Save the Upgrade Logs ... 121

12. Modification Adjustment ... 123
... 12.1 The Modification Browser ... 124
... 12.2 SPDD Object List ... 125
... 12.3 Adjusting Objects ... 125
... 12.4 Proposals for Table and Structure
... 12.5 Proposals for Technical Settings ... 128
... 12.6 Objects Without Proposals ... 128
... 12.7 Keep Transport for Upgrade of Next System ... 129
... 12.8 Documenting Your Modifications ... 129
... 12.9 Modification Adjustment with SPAU ... 130

Appendix ... 131
... A. Resetting the Upgrade ... 131
... B. Database Transaction Log Modes ... 133
... C. References ... 135

Index ... 137