Upgrade from 4.6B to mySAP ERP 2004 ( i.e. ECC 5.0)

Hi
We are upgrading from 4.6B to ECC 5.0 without unicode conversion.
I came to know the from service/sap.com/upgrade website which shares the delta functionality added by SAP during upgrade.
However, I am still looking around for typical technical hurdles which one faces during the upgrade. As SAP says the upgrade is purely Technical in nature.
Any feedback/documents you have is welcome.
Pls share  to my mail id [email protected]
thanks

Hi Satish,
Some of the things which we will do at Upgrades.
1) <b>Identifing additional warings/erros</b> using EPC(Exteneded Program Check) and correcting them.
2) <b>Identifying the obselette statements/function modules</b> and correcting them using proper replacement of function modules or adding additional clauses to statements.
Eg: Replacing oboselette FMs like WS_DOWNLOAD with GUI_DOWNLOAD, UPLOAD with conjuction of CL_GUI_FRONTEND_SERVCIES=>FILE_OPEN_DIALOG with GUI_UPLOAD.
3) <b>BDC Corrections:</b> This has both technical as well as functional scope of changes.
Mainly BDC Corrections related to
a) Addition of new field in upgrade version
b) Screen number change to parcular filed in upgrade version
Thanks,
Vinay

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