Hi guys! With your different insights, I found my mistake. James made me realize I could not connect using MAPI to a front-end server. This basically solved my original problem as to why I could not connect using RPC over HTTP... I was trying to connect using MAPI to the actual front-end server. It is then when I started to think... Proxy!!! The information is not on a proxy. It is merely a path to find the information. So, I connect to the proxy but I have to tell it where to find the mailbox. Everything is working as it is supposed to now. Thank-you for your replies. They really helped :-) Fred _____________________________________ Frederic Giroux, technical director Niveau3 Inc. IT consultants fgiroux@xxxxxxxxxx www.niveau3.ca 514-352-4782 (ext. 223) 514-352-9126 (fax) 866-477-4782 (toll free)