The mature Oracle applications, E-Business Suite, JD Edwards, PeopleSoft, and Siebel, are decades old, deeply customized, and still core to the business, which makes them stable, expensive to move, and easy to overpay for. This session reads the application user and business metrics that price each suite module by module, why they are harder to count than a database and drift from reality over years, and how customization complicates every upgrade, audit, and migration. It closes on the support fork every mature estate faces, staying on Oracle support, moving to third party support, migrating to Fusion, or holding a deliberate steady state, matched to each module's trajectory, with drift, full price support on a frozen estate, named as the one universal mistake.
A taught session with three knowledge checks: the PeopleSoft estate licensed for 2,000 users with only 1,100 active, ripe for a support reduction; the heavily customized EBS estate Oracle is pressing to migrate, decided on the business case not the sales pressure; and the frozen, customized JD Edwards estate entering Sustaining Support, the textbook case for third party support. It closes with one suite decided four ways, a different road per module.