Outlook MAPI connection to Exchange 2010 CAS fails through UAG 2010 direct access tunnel

In a recent case, I dealt with an Outlook MAPI connection failure problem through direct access tunnel (configured with UAG 2010) and I’ll be talking about how I troubleshooted this issue in this post. The problem was reported as Outlook 2010 clients were failing to access Exchange 2010 servers that run behind a UAG 2010…

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