Troubleshooting : EWS request throws “The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel” ?

One of my customer updated that whenever they try to make the remote Exchange Web Service (EWS) call from his C#.Net 2008 application (VS.Net 2008 – .Net Framework 3.x), he gets the following error: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel I had a detailed look at…

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Windows Mobile Device Management and Security Solutions – Planner’s Guide

Please find this useful article, which talks about how to handle Windows Mobile device management and its security solutions can be planned.  Because mobile devices share many of the same characteristics of desktop systems, there is growing interest in management solutions that can provide the same degree of assurance for asset management, inventory, and protection for mobile…

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Exchange 2007 Transport Permissions Model

This article provides detailed information about the Microsoft Exchange Server 2007 transport permissions model as well as details about Transport Layer Security (TLS), domain security, and externally-secured authentication in Exchange 2007.

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