Direct access client fails to connect to UAG DA server through IPHTTPS with various errors (0x800b0109 and 0x274c)

In this post, I want to talk about how I troubleshooted a direct access connectivity problem hoping that it might also help you in troubleshooting similar problems. The issue was that the IPHTTPS client cannot connect to UAG DA server. We first checked static logs collected from a problem client (GPO output, firewall outputs, etc)…

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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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