Macromedia JRun Server 4.0 Upg (Win/Linux/Unix) - 4 Proc License Macromedia JRun Server 4.0 provides the speed and reliability required to deploy and manage your standards-based Internet applications. Loaded with features for accelerated deployment and powerful scalability, Macromedia JRun Server 4.0 is an elegantly architected, web-services enabled, approachable platform with full Java 2 Enterprise Edition (J2EE) compatibility. Currently used in production at over ten thousand companies worldwide, Macromedia JRun Server 4.0 is the proven solution for reducing the time and cost associated with developing and deploying applications.