NWDI Upgrade

Hi All,

we have SAP Netweaver 7.1 Ehp1 SP9 and we want to upgrade it to SAP Netweaver 7.1 Ehp1 SP13.

Do we also need to upgrade our NWDI. We just have once custom build applicaton in NWDI which is build using GP , WD JAVA and CAF.

Thanks a lot

Regards,

Krishan