What is the migration plan from ME 2.1 to MI 2.5 and how to do it more effectively?
Only the methods presented in the MI Upgrade Guide (at service.sap.com/nw04upgrade ) are supported by SAP. One methodology is today. The Upgrade guide contains one variant that involves a 2nd parallel WebAS and results in zero downtime for the end users. Check the Upgrade Guide for all details. Back to top Where do I find information on MI in real-world landscapes (i.e. with proxies, firewalls, GPRS, VPN, clusters, etc.) The Technical Infrastructure Guide discusses different landscape setups (minimal, productive, distributed, highly-available, development etc.) in depth and also gives technical background information for various connectivity setups (GSM, GPRS, UMTS, VPN etc.).