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Exchange 2003 Mobile Messaging Part 2 - Uncovering the Device Security Policies PDF Print E-mail
Written by David Noel-Davies   

We all know how easy it is to lose a mobile device, or even worse have it stolen. Now that we have the possibility of synchronizing our devices with a mailbox, we need a way to properly secure our devices, so that any corporate information or other sensitive data can be held secure. With Exchange 2003 SP2 applied, you as an administrator have the possibility of configuring mandatory PIN or password requirements for the Windows 5.0 Mobile Devices that synchronize with the Exchange servers in your organization. You could for example configure a device to require a four-digit personal identification number (PIN), that the users would need to enter before they were allowed access to their device. If a user were to enter this PIN incorrectly let's say four times, you could even configure the device security settings so that all data on the device would be erased (equal to a local wipe).

Note:
If you haven't already seen it, I highly recommend you checkout this video before you continue reading this article, it demonstrates how device security policies, as well as the remote wipe functionality, works in practice.

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Exchange 2003 Mobile Messaging Part 1 - A look at the Microsoft DirectPush technology PDF Print E-mail
Written by David Noel-Davies   

Prior to Exchange 2003 SP2, you had two choices for synchronizing a mobile device with a mailbox; you could manually configure ActiveSync on the mobile device to issue synchronization on a scheduled basis, or you could make use of the Always-up-to-date (AUTD) technology. The problem with scheduled synchronizations is that you cannot schedule them for intervals less than five minutes, which means you will not always have the latest information on your device. Another problem is that you (depending on your mobile operator) will be charged for each established session, as new data will travel over the wire, each time a new session is established.

AUTD makes it possible to keep your device up to date by generating an Exchange store event in the user’s mailbox. When the store event detects a change in the mailbox, it triggers a Short Message Service (SMS) control message, which is then sent to the user’s mobile device. When the device receives the SMS message it initiates synchronization with the Exchange server. The idea behind the AUTD technology is good, but unfortunately it doesn’t work very well in reality, at least not in Europe where very few mobile operators supports AUTD. Microsoft IT became aware of this problem, when they deployed Exchange 2003 based mobile messaging in their own organization – an organization spread all over the world.

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Configuring Mobile Devices to connect to Exchange Server 2003 PDF Print E-mail
Written by David Noel-Davies   

Preparing the Mobile Device

In order to prepare your mobile device for Active Server Synchronization you have to check if your mobile device operating system is able to use this feature. Generally all mobile devices running Windows Pocket PC Edition 2003 or Windows Pocket PC Mobile 2003 are prepared to work properly. In addition other devices may run without any problems if they run a version of Microsoft Active Sync 3.7.1 or higher. The download can be found at :

http://www.microsoft.com/windowsmobile/downloads/activesync37.mspx

The minimum desktop computer requirements for Active Sync 3.7.1 are:

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Booking Resources with Exchange Server 2003 and Outlook System 2003 PDF Print E-mail
Written by David Noel-Davies   
After a successful implementation of Microsoft Exchange Server 2003, the next step would be implementing lots of improvements within the working processes of the company and its organizational infrastructure. Many companies are willing to plan their company resources using Exchange and Outlook to make it easier for each employee to find out if a resource is already booked or still available.

These resources could be conferencing rooms, cars, projector, etc. – in general nearly everything that is being used by more than one employee during working days.

With an Exchange / Outlook infrastructure in your company there are various ways to make this work. Within this article we will have a close look at each possibility. We will not just talk of how to configure it, in addition, we will discuss the pros and cons of these implementation tasks.

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Outlook Performance: Cached and Uncached PDF Print E-mail
Written by David Noel-Davies   

On April 13, Microsoft released an update for Microsoft Office Outlook 2007 that addresses performance problems with large mailboxes. The Microsoft article "Description of the update for Outlook 2007: April 13, 2007" describes what the patch fixes. I regularly use three different Outlook 2007 profiles against three different Exchange Server organizations, and I've occasionally noticed poor performance on one particular server. I eagerly installed the patch and found that, as promised, it helped improve the performance of Outlook 2007 on that server. However, I decided to experiment a bit and found an even more dramatic improvement from doing something that I'd never done before: I turned off Cached Exchange Mode.

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