Solution : https://service.sap.com/sap/support/notes/560485 (SAP Service marketplace login required)
Key words :
fine tuning- iview caching mechanism changed, sp5 solution clustered portal environemnt - updates, apply addtional sp5 patches, sp4 iview caching, upgrading enteprise portal 5, entire portal page, top-level navigation, existing iview cache, mscs - read note 622822, clustered environemnt
Related Notes :
| 643242 | Composite SAP Note for EP 5.0 Business Packages |
| 622822 | |
| 596221 | Central Note for Enterprise Portal 5.0 SP 5 |
| 588665 | Composite SAP Note for business packages |