my question is: By using Appfabric caching server sucessfuly developed using windows 2008 -IIS 7..but client(customer) only have windows 2003 server..they want to develope same functionality what we have done windows 2008 with appfabric in windows 2003 server also..In this case According to client(customer) requirement..how we rectify issues by using windows 2003 server?.definitely appfabric not work in windows 2003 server..any options there to work in older version server(windows 2003) also?. How to achieve both case (windows 2003 server and windows 2008)?..is there any solution to work in both case functionality?..any settings there in IIS?.please give me suggestion?