Compatible versions with ECC 6.0

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Hi,

We are planning the upgrade of our SAP installations:

- R3 4.6C, 4.7 --> ECC 6.0

- BW 3.1, 3.5 --> BI 7.0 (NW2004s)

- SRM 2.0 --> SRM 5.0

- CRM 4.0 --> CRM 5.0

Of course we can't do all the upgrades at the same time, so, in order to decide in which order we make the upgrades, we must be sure that the new versions will be compatible with the old ones.

In the quicklink "service.sap.com/r3-plug-in", menu option "SAP R/3 plugin --> Integration of SAP R/3 / Enterprise, ERP and SAP Components" there are some tables where we can analyze the compatibility between all the BW, SRM and CRM versions and R3 versions prior to ECC 6.0 (4.6C, 4.7, ECC 5.0), according to the plug-in version. From 2005 there seems to be a strategy change in the integration interfaces:

"SAP ECC 6.0 and subsequent releases will automatically contain all integration interfaces that so far have been contained in the SAP R/3 Plug-In and that ensured the technical integration with other SAP Components."

As I understand, ECC 6.0 will automatically contain all the integration interfaces and there will be no more R/3 Plug-In versions. How can I check the compatibility between ECC 6.0 and the other BW, SRM and CRM versions? In the quicklink there are integration matrix available for R3 Enterprise and ECC 5.0 but there is no information for ECC 6.0. Are the versions compatible with ECC 5.0 too compatible with ECC 6.0? As ECC 6.0 seems to "automatically contain all integration interfaces that so far have been contained in the SAP R/3 Plug-In", does it mean that the integration matrix available for ECC 5.0 is too valid for ECC 6.0?

We have found a specific note (931020 "SRM connection to an ERP 2005 (ECC 600) backend") for the integration between ECC 6.0 and SRM but we didn't find any note regarding BW or CRM.

How can we check wich versions (BW, SRM, CRM) are compatible with ECC 6.0? Can we use the integration matrix available for ECC 5.0 in the quicklink "service.sap.com/r3-plug-in", are there specific notes like the one available form SRM (931020)?

We need to be sure as soon as possible that after the upgrade of our R3 4.6C and 4.7 versions to ECC 6.0 they will be compatible with our actual BW (3.1, 3.5), SRM (2.0) and CRM (4.0) versions.

Thanks in advance!!