Hello,
Open IIS Management Console
Select Default Web Site
In Features View, on the server, site, or applicationHome page, double-click Handler Mappings.
On the Handler Mappings page, in the Actions pane, click Add Script Map.
IIn the Request path box, type a file name extension or a file name with extension. .xls
IIn the Executable box, type the full path : C:\WINDOWS\Miscrosoft.NET\Framework\v2.0.50727\aspnet_isapi.dll
In the Name box, type a friendly name for the handler mapping.
Click Request Restrictions à Verbs àAll verbs
Click OK
In Features View, double-click MIME Types
In the Actions pane, click Add.
In the Extension field type: .xll
In the MIME Type field, type: application/vnd.ms-excel
Click OK
Repeat the same operation for the .xlam and .xls extensions in the MIME Types dialog box
**** Then restart IIS, and restart the Finance datasource.
Regards,
Soumaya