We going for upgrade from
Source version of R/3: SAP ECC 6.0 EA-HR602
Target Version of R/3 : SAP ECC 6.0 EHP6
source Version of portal: Netweaver7.0
Target Version of portal: Netweaver7.3
Ess BP Version: sap.com BP_ERP5ESS 1.2 SP3
My question is when we are going for upgrade to Netweaver7.3 or Netweaver7.2, will existing ESS BP will work in target portal.
Kindly post your suggestions.