Most SAP customers moving from SAP ERP Central Component (ECC) to S/4HANA actually need to do two migrations: They'll need to migrate to a new database, and they'll need tomigrate their applications to S/4HANA. Let's look at the differences between brownfield and greenfield approach...
When it comes to switching to S/4HANA – two schools of thoughts exist in terms of how to approach Greenfield or Brownfield. Which implementation do you go for?