Upgrade to R12.2 - High level steps
Hi Experts,
Need you expertise.
Below are the summary steps in the upgrade guide (12.0/12.1 to 12.2.6/12.2.7
1.Prepare the Database
2.Upgrade the database to the minimum version or latest certified version
3.Migrate to a new platform (optional)
4.Apply the latest database patches
5.Lay Down the Oracle E-Business Suite Release 12.2 File System
6.Use Rapid Install to lay down the file system and technology stack
7.Apply the latest application tier technology stack patches
8.Upgrade to Release 12.2.0
9.Apply the latest AD upgrade patch and Oracle E-Business Suite Consolidated Upgrade Patch (CUP)
Once you run this step there is no going back to the 12.0 filesystem. It should be shutdown and not used. This will be the beginning of you prod upgrade downtime.