Getting HTTP 500 Internal server error when accessing a published web site through ISA 2004

In this post, I’ll be talking about a web publishing problem and how I dealt with it. The problem was that external clients were failing to access an internal Web server published on ISA 2004 server with HTTP 500 internal error. As usual, I asked the following logs from our customer when reproducing the problem:…

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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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PDF file corrupted when downloaded through TMG server

Recently I dealt with a problem where PDF file downloaded from a certain external web site was always corrupted and I would like to talk about how I troubleshooted that problem. The client was connected to internet through a four node TMG 2010/SP2 array. We decided to collect the following logs to better understand why…

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