7.3 Prerequisites Four core components are involved in the e-mail archiving and records  management solution: Content Manager for Multiplatforms, CommonStore for  Exchange Server, IBM Records Manager, and Records Enabler for Content  Manager. Each core component has different prerequisites. We list what they are and their  version requirements. In addition, we explain why you should install the  prerequisite. Understanding this should help you when you build a system that  fulfills your business needs. Table 7-2 describes the prerequisites for Content Manager V8.3. Prerequisites for Content Manager V8.3 Table 7-2 Prerequisites for Content Manager V8.3 Product Version Reason why we need it WebSphere Application  Server  5.1.1.2 Resource Manager is a J2EE application,  thus needs WebSphere Application Server. DB2  8.2 Library Server uses stored procedures and  needs a relational database (icmnlsdb).  Resource Manager stores metadata in a  relational database (rmdb). DB2 Net Search  Extender 8.1 For full text search in Content Manager.  Chapter 7. Installation and configuration in a Microsoft Exchange environment  211