Am looking at deploying RPC/HTTP but the article that Microsoft has specifies changing the Exchange SA TCP ports http://support.microsoft.com/default.aspx?kbid=270836 http://x220.minasi.com/forum/topic.asp?TOPIC_ID=9209 But in my exchange server registry i dont have TCP/IP key entries. Should I add this keys or does anyone has a suggestion on hoe to go around it? Leonard