Hi I am trying to publish Outlook Web Access through ISA. The web access end of things is working fine, ISA seems to be throwing a few curve balls. I configured ISA in accordance with ISAServer.org - http://www.isaserver.org/pages/articles.asp?art=53 Microsoft.com - http://support.microsoft.com/default.aspx?scid=kb;en-us;Q290113 Which should cover all the bases. When i try to connect externally i recieve error 10016 - Connection refused. Anyone with any ideas?? Thanks Mick OC