During SAP Upgrade ,we have to perform some activities in different stages of Upgrade .Here are some of the activities to be performed.

Activities Before Upgrade(Pre-Upgrade)

Cloned Programs

modified objects(standard Using Access Key)

custom programs using obsolete (transactions,Function Modules,Syatem Fields—)

INACTIVE OBJECTS

Enhancements(All)  with details

Back up of EDIFCT table

Internal Function Modules used

Custom Programs using Call transaction

Custom Tcodes with documentation

Custom Data Dictionary Objects(Tables,Structures,Data elements,Domains,TableTypes,Search helps–)

Local objects which were in use

Variants List

All the Custom workbench Objects with details

programs not assigned to any Tcode

Custom transactions not using (if Required)

Document the output of Objects before Upgrade

REDSRS01,SLIN,SAMT,SCI,SE84,SE95,SE95_UTIL Transactions

Strictly Follow the Guide provided based on your tool(SAPup ,SUM..)

Check PAM(product Availabilty Matrix) and do Pre-check in Market place

Make sure You have all authorizations for your S-user

SCC4,STZAC,SAINT,SPAM,OSS1 Transactions

Check Upgrade Dependency Analyzer

Invalid Temp Tables

post Installation Steps(Basis) also take care of tables like DDLOG,TPFHT,TPFET —

Activities During Upgrade(Upgrade)

SPDD

SPAU(Can do it after completing Upgrade also)

Activities after Upgrade(Post-Upgrade)

SAMT

check all custom objects

Transaction REDSRS01 for MASS SYNTAX CHECK

Check  variants

SPAU_ENH

DBACOCKPIT

Under Unicode Conversion

Programs with Unicode Flag Unchecked

UCCHECK Transaction & Corrections

Using SLIN,SAMT,REDSRS01 Syntax check of all custom Programs & Corrections

SCOV Transaction

Regards,

Lokesh

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