Just thought I would share some good resources on the topic as I go along. This will be a living document so I will keep updating it with useful info as I go along. http://www.slashstar.com/blogs/alex/articles/Kerberos.aspx Alex
This is what I needed to do to get around having to login twice when viewing a webpart page which is accessing an exchange public folder in Sharepoint 2003. http://blogs.slashstar.com/alex/articles/SharePointandOWA.aspx Alex