How to integrate File Server with Portal??

Hi all,

can any one tell me that how interegate the File Server With Portal Server??

In my portal server under home tab i have sub tab (second level navigation) of File server.Whe i click this tab it throws an syntax error

ie

System Error

An exception occurred during the program execution. Below you will find technical information pertaining to this exception that you might want to forward to your system administrator.

Exception Class :: class com.sapportals.wcm.repository.NotSupportedException

Exception Message :: Not Implemented

thease are the steps that i have taken

>created HTTP System..

>created WebDAV Repository.

>Created Cache.

>Created KM WebDAV System.

>Created Iview and in iview i have to specify the <b>Path to Initially Displayed Folder</b>

i have specified the folder of file server that i want to display..

but i get the same syntax error ..

infact i dint get that folder in KM.

But when i specify the folder that is present in KM its Work fine..

Now the Scnerio According to me is that File server is not integrated properly

if it would be integrated properly i would be able to see the folder of File server in KM...

am i correct ??

please Guide me to integrated the File Server Properly??

Points will be given for any help..

Regards

Vinit