Solution : https://service.sap.com/sap/support/notes/743839 (SAP Service marketplace login required)
Key words :
sap logon screen, http client implementation, export takes place, bw web application, url addition &no_session_cookie=, terms export, web browser, web template, microsoft excel, table exported
Related Notes :
735493 | Excel 2003: Logon screen with "Save as" |
653099 | Repeat password request when you download to Excel |
498936 | Logon/password change in Web with BW 3.0B or higher |