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Chapter 23: Special MaintenanceOverviewIn this chapter, the reader will learn about special maintenance. This topic includes thefollowing: Kernel upgrade Client copy Production refresh strategiesThe system profile parameters are what R/3 uses when it starts up. Parameters may definehow many of each work process to create, the minimum length of the user password, etc.The system uses the following three parameters: StartThis parameter defines which R/3 services are started. DefaultThis parameter defines the profile for all instances in the system. InstanceThis parameter defines the profile for the specific instance, which allows individualapplication servers to be configured differently for specific tasks and users.Change a value only for a specific purpose and only with proper knowledge of what isbeing changed and why it is being changed. If a parameter is incorrectly changed, R/3 may not start.Changing system profile parameters should only be done under the instruction of theSAP Hotline, SAP EarlyWatch, or an experienced consultant. Use RZ10 to maintain your profile parameters. Do not modify the files at the operating system level.This process could lead to inconsistency and confusion.Before making changes to the system profiles, make certain that you have a recent, usablecopy of the system profile files. This backup is your last line of defense if a profile change ismade that results in R/3 not being able to start.23–2Release 4.6A/B
Chapter 23: Special MaintenanceChanging System Profile Parameters (Transaction RZ10)1. In the Command field, enter transaction RZ10, and choose Enter(or from the SAP standard menu, choose Tools → CCMS → Configuration → RZ10 - Profile maintenance).2. In the Profile field, choose .23. Select the instance or defaultprofile as appropriate (forexample, the instance profile, SAS– DVEBMGS00 – PA100767).4. Choose .43The profiles used by the system work in the following order: Start profile Default profile (for all instances in the system) Instance profile (specific to the instance you are on)System Administration Made Easy23–3
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®Ã TM R/3 System Release 4.6A/BS
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System Administration Made Easyiii
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What Is This Guidebook About?......
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Detailed Table of ContentsWhen the
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Detailed Table of ContentsStarting
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Detailed Table of ContentsDefine Fi
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Detailed Table of ContentsHousekeep
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Detailed Table of ContentsEnter the
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The combined experience in SAP and
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What Is This Guidebook About? .....
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IntroductionWho Should Read This Bo
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IntroductionHow to Use This Guidebo
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IntroductionSpecial IconsThe screen
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Overview ..........................
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Chapter 1: R/3 System Administratio
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Overview ..........................
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Chapter 2: Disaster RecoveryWhy Pla
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Chapter 2: Disaster RecoveryPlannin
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Chapter 2: Disaster RecoveryTest yo
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Chapter 3: Backup and RecoveryBacku
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Chapter 4: Scheduled Daily TasksCri
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The R/3 System ....................
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Chapter 8: Scheduled Annual TasksNo
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Starting the R/3 System............
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Chapter 9: Multi-Role TasksStarting
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Chapter 9: Multi-Role TasksStopping
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Overview ..........................
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Chapter 10: R/3 System Administrati
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Chapter 11: Security Administration
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Overview ..........................
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Chapter 12: User AdministrationReco
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Chapter 13: Database Administration
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Contents...........................
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Chapter 14: Output ManagementPrinte
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Chapter 15: Network/OS/Server Admin
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Table Maintenance (Transaction SM31
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Chapter 17: Change ManagementTable
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Chapter 18: TroubleshootingBasic Tr
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Chapter 19: PerformanceGeneral Proc
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Chapter 19: PerformanceR/33. Select
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Chapter 20: SAPNet—Web FrontendLo
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Useful Transactions................
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Appendix A: Useful TransactionsUsef
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Other System Administration Resourc
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Appendix B: Useful Resources and Pr
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Overview ..........................
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Appendix C: Useful SAP NotesR/3 Not
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Appendix C: Useful SAP NotesR/3 Not
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Appendix C: Useful SAP NotesOperati
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Appendix C: Useful SAP NotesDatabas
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Upgrade Discussion ................
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Appendix D: Upgrade DiscussionUpgra
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AABAPdump analysisfree selection, 1
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Indexweekly tasksdatabase, 5-3notes
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IndexMMaintenancebasic, 23-4contrac
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