In SAP source system (ECC), the datasource is the relevant object that makes source data available in a flat structure for data transfer into BW.
In the source system, the datasource can have the SAP Delivery Version or Active Version.
There are two types of datasources in BI:
R/3 TR RSDS or 3.x DS R/3 TR ISFS
Since the datasource cannot exist in both of these versions simultaneously, you have to choose the form while replicating them to BW.
Replicated 3.x datasources can be used as Emulated datasources in BW for migration purposes.
SAP recommends migration of 3.x datasources if you are using RDA DTPs or Direct Data Access DTPs as emulated datasources does not support these two types of DTPs. Continue reading →