Most of customer's Use-case for HANA appliance is BW on HANA Database(HDB). This is the entry point of HANA into most of the customers Landscape. Here I will quickly try to cover what's new with BW 7.3 and 7.4 on HANA. Migrating BW onto HANA can be primarily seen from two perspectives. 1. Copying data from legacy DB to HANA 2. SAP BW application server migration onto HDB Here I am referring to migration with minimum system downtime. We will initally copy data into HANA and when everything is ready, will take down BI system down. Then migrate application servers too onto HANA. This ensures minimum service disruption time. Database Migration : Mass copying of data from Legacy into HDB, in general will be handled by in house BASIS team or your HANA hardware vendor can help in DB migration. In the Software Update Manager( SUM ), we have Database Migration Option( DMO ). This makes our job easier to copy data foot print. However also note that, due to HANA Column stora...