Application Upgrade
Things to remember before upgrade is
only we can upgrade to R12/12i (12.0.4) from release 11.5.8, 11.5.9.X or 11.5.10.X
3 upgrade steps
Preupgrade Step
Upgrade Step
Post Upgrade step
Preupgrade Process
Run rapidwiz from R12 software >> Select option “Upgrade to Oracle Applications Release 12“
Select Upgrade Action screen select “Create Upgrade File System
Upgrade Process
Migrate database to 10gR2 - This step is required if you have not upgraded your database with 11i itself. Use ORACLE_HOME (10.2 on database tier) which came as part of R12 upgrade .
Put your Apps into database in to maintenance mode
Run adpatch 6604842 (on R12 appl_top, environment variable at this stage should point to R12 APPL_TOP and ORACLE_HOME in application tier should point to FORMS (10.1.2) in R12) to upgrade AD product of R12 to 12.0.4 (Patch 6604842 is available as R12.AD.A)
Run 12.0.4 patch 6394500(u6394500.drv ) which is under $AU_TOP/patch/115/driver (on R12/12.0.4 APPL_TOP).
Apply/Upgrade to 12.0.4 using
adpatch options=nocopyportion,nogenerateportion
Post Upgrade Process
Database and database listener should be up at this stage.
Run Rapid Install one more time to configure and start services on R12/12i.
Run rapidwiz one more time -Select option “Upgrade to Oracle Applications Release 12“