http://blogs.technet.com/b/yuridiogenes/archive/2010/04/13/entourage-clients-are-unable-to-access-exchange-2007-published-through-isa-server-2006-error-405-method-not-allowed.aspx1. Introduction Last week I worked on an interesting case where I was lucky enough to have a buddy here from MS Texas available to help me out on an issue related to Entourage. Before I introduce him, let’s consider a scenario (described in the figureen-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)