Upgrade Guide for DB2 UDB for z/OS and OS/390 > How to Perform the Upgrade > Road Map for Performing the Upgrade >

Road Map for Upgrading from Siebel 7.x

If you are upgrading from Release 7.x, complete the processes in this road map in the order shown:

1. Process of Planning the Upgrade
2. Process of Upgrading a 7.x Development Environment from the Midtier
3. Process of Upgrading a 7.x Development Environment from the Mainframe
4. Process of Upgrading a Production Environment

NOTE:  Depending on your business requirements, you can upgrade your development environment from the midtier (midtier-centric approach) or mainframe (mainframe-centric approach). For more information, see About Midtier-Centric and Mainframe-Centric Development Environment Upgrades.