Solution : https://service.sap.com/sap/support/notes/500222 (SAP Service marketplace login required)
Key words : 
upgradei/ important general remarks------------------------< d027190 march 01, sap web application server installation, / important general remarksii/ errors, modified statements partially apply, upgrade documentation------------------------< d027190 march 01, windows application server 6, enhanced sap note 441483, ebp/crm release 3, cd-romiv/ actions, individual phasesvii/ actions
Related Notes : 
       
| 531603 | iSeries: SAP installations with an ASCII Database | 
| 500297 | Additional Information: Upgrade to SAP Web AS 6.20: iSeries | 
| 453241 | Additional info about upgrading to SAP CRM 3.0/EBP 3.0 SR 1 | 
| 441483 | INST: 6.10 SAP Web AS on Windows 2000: IBM eServer iSeries | 
| 413107 | Additional Information: Upgrade to SAP Web AS 6.10: iSeries | 
| 401717 | Additional info on upgrading to SAP Web AS 6.10 (Basis) | 
| 396690 | SAP CRM 3.0: Information on Upgrade |