To install Flash Remoting Update:
  - Install ColdFusion.
 
  - If your ColdFusion server uses something other than port 8500, do the following:
  - Open the file <cf_root>\wwwroot\Web-INF\flex\flex-enterprise-services.xml. 
 
  - Change the following to specify the port that you are using in the endpoint URL:
<endpoint uri="http://localhost:8500/flex2gateway/" in flex-services.xml
   
  - Save the file.
 
  - Restart the ColdFusion server.