Installer 10.15 | Complete Installation and Upgrade Information for Software AG Products | Upgrading Software AG Products On Premises | Upgrade Using Command Central | Supported Upgrade Scenarios | New Hosts, Live or Cloned Database
 
New Hosts, Live or Cloned Database
Typically required because of upgrades to hardware and operating systems. Use of same installation directory and ports can minimize change. Use of DNS to control IP-to-host mapping for the old and new environment can greatly simplify impact on external clients.
Benefits: Safest scenario, and minimal downtime. Easiest scenario when environment runs in a private or public cloud that allows temporary increase of capacity to host new environment and then release resources used by old environment. Can phase migration. Must adjust third-party tooling to new installation. Can fully automate using custom composite templates or can perform step by step using a combination of the Command Central web user interface and commands.
Cautions: Some products allow cross-operating system migration, but for other products, this type of migration might have unpredictable results, especially when old machine is Windows and new machine is non-Windows, or vice versa.