This page discusses some of the changes to the supported environments for CLM deployments.
Before you upgrade
Before upgrading to CLM 4.x, it is important to ensure you are running in a supported environment. There are many changes between what is supported in 3.x and 4.x. Navigate to the 4.x System Requirements page for more information and to validate your environment is supported for the upgrade.
Important upgrade facts
The sections below address some important changes in the 4.x System Requirments which should be considered when planning your upgrade.
Database requirements
IBM Derby SDK 10.8.1.2 and future fix packs is supported for evaluation purposes only (for small teams of 10 users or less) in CLM 4.x
Database support is 64-bit only to align with 64-bit server platforms
Oracle is not supported for System z or IBM i
SQL Server is supported on Windows Server only
Application server
WebSphere Application Server v7.0.0.23 is the minimum required v7 fixpack to host CLM 4.x, vs v7.0.0.19 in CLM 3.x
WebSphere Application Server 6.x is no longer supported in CLM 4.x
General deployment changes
32-bit servers are no longer supported to host application servers running CLM applications, except for small-scale evaluation or demonstration purposes
For CLM4.x, clustering is supported with WAS ND (7.0.2.3 or 8.0.0.3) but also requires the bundled WXS 7.1.1.1
Version specific system requirements pages
Below are the links to the version specific system requirments: