Dear Mentors,
we are planning to Upgrade the SAP netweaver 7.0 SP20 to Sap netweaver 7.3 Ehp1 stack4
we have a some custom Application Developments in SAP netweaver 7.0 (JAVA system)
we have the following custom development application in java system
Adobe intractive Forms
Web dynpro applications
PAR files(portal content)
CAF Applications
GP applications
Please clarify during Upgrade (SUM) process, in which Phase we have migration Process of custom applications, and explain the migration process for above mentioned applications