"SAP Solution Manager Preparation and Maintenance Optimizer

SAP Solution Manager (at least SP 15) is required to download the EHP4 packages and calculate a list of packages ("Stack XML") which are required by the installation tools. Therefore the system landscape in SAP Solution Manager (SMSY) must be defined and up to date as well as the Maintenance Optimizer must be set up and running (check Note 1122966). Check out the brand new How to install SAP Enhancement Package 4 guide. which will guide you step-by-step through the end-to-end installation process, including the required work in Solution Manager Maintenance Optimizer. It also gives valuable tips for the EHPI . "

1.3
The Big Picture – Step by Step
With SAP enhancement package 4, the installation steps have changed from previous SAP enhancement packages. See below for the interaction of all involved parties.
1.
First, you have to select the required technical usages in the Maintenance Optimizer functionality from SAP Solution Manager. Maintenance Optimizer calculates a system-specific list of packages that have to be installed on the target system. This system-specific list is saved in a stack configuration file. Maintenance Optimizer also places all packages that have to be installed in your download basket in order to facilitate aeasy download of all required packages. To calculate that stack configuration, SAP Solution Manager relies on the information of SMSY and from the SLD ab
2.
You install the software on the target system with the SAPehpi (SAP enhancement package installer) tool. It imports the software components into the target system. This could be an SAP ERP 6.0 system or an SAP NetWeaver system (such as a Portal or a BI system).