http://blogs.msdn.com/b/webdav_101/archive/2008/09/29/outlook-automation-is-for-people-not-for-services.aspxI don't know why we see a lot of customers trying to automate Outlook from a service. It’s pretty well documented that it’s a bad idea. Outlook Object Model (OOM) was written for automating Outlook for a user sitting at the box running it. See, OutlookenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)