Brien Posey

Brien Posey is a freelance technical writer, and a five time Microsoft MVP. Over the last thirteen years, Brien has published literally thousands of technical articles and whitepapers, and written or contributed to dozens of books. Prior to becoming a freelance writer, Brien served as CIO for a national chain of hospitals and healthcare facilities. He has also served as a network administrator for the Department of Defense at Fort Knox, and for some of the nation’s largest insurance companies.

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11 July 2011
11 July 2011

Network Administrators Past, Present, and Future

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Even in the short time that PCs have been signficantly networked, what it means to be a SysAdmin has changed dramatically. From the first LAN parties to the lumbering infrastructures of today, the role of SysAdmin has evolved and adapted to the shifting needs of users and corporations alike. Brien Posey has been on the front line of it all, and considers the future of this thus-far essential IT role.… Read more
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16 November 2010
16 November 2010

PST Horror Stories

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Brien has been on the front line of Systems Administration for long enough to both respect and fear PST files. Though they are a handy tool when used wisely, they are too often misused, resulting in disaster. Brien relates a few tragedies to which he's had a front-row seat. Read on, and be warned.… Read more
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12 March 2010
12 March 2010

Implementing Cluster Continuous Replication, Part 3

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Cluster continuous replication (CCR) uses log shipping and failover to provide a more resilient email system with faster recovery. Once it is installed, a clustered server requires different management routines. These are done either with a GUI tool, The Failover Cluster Management Console, or the Exchange Management Shell. You can use Powershell as well for some tasks. Confused? Not for long, since Brien Posey is once more here to help. … Read more
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23 September 2009
23 September 2009

Implementing Cluster Replication – Part 1

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Imagine that you're researching Continuous Cluster Replication, looking for a simple, direct guide to the basics of getting it set up and running. What do you do if everything you find is either too specialised, or goes into far more detail than you need? If you're Brien Posey, and you can't find that practical, to-the-point article, you roll up your sleeves and write it yourself. To kick off, he tackles the rather tedious task of setting up a Majority Node Set Cluster.… Read more
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10 June 2009
10 June 2009

A Beginner’s Guide to Virtualizing Exchange Server, Part 2

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It isn't easy to measure the consumption of physical resources by servers in virtual machines, since each partition has its' own virtualised view of system resources. Not only that, but there is a subtle difference between virtual processors and physical processors. Brien Posey explains the special performance counters that can be used to get an accurate assessment, and goes on to describe how to test your physical servers to see if they are good candidates for virtualization. … Read more
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05 May 2009
05 May 2009

A Beginner’s Guide to Virtualizing Exchange Server, Part 1

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The advantage of virtualizing your servers is that it helps you make better use of your hardware resources, and reduces some of your licensing costs, However, there are disadvantages: With Exchange server, it isn't always obvious as to which server roles are suitable for virtualization, and it is rather hard to work out what system resources a virtual server is actually using. Brien Posey explains… Read more
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26 March 2009
26 March 2009

An Introduction to Unified Messaging

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For many years, everyone involved in the administration of offices has wished that there was a way of combining the voicemail, fax, the PBX with the Exchange Email system, particularly for highly mobile users. . With Exchange Server 2007, this has now become a reality. Even though it forces the Exchange Administrator to become familiar with telephony, the benefits are such that it is well worth the effort.… Read more
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