29 June 2009
29 June 2009

Building an Exchange Server 2007 environment

Of course, changing a 32,000 mailbox system, based in 40 Exchange Servers, to a centralised 25,000 mailbox solution is not a difficult task as long as you follow the Microsoft guidelines; It just takes patience, and time to understand Exchange's storage design principles. Jaap describes the design process and shares his experiences with the chosen server hardware.… Read more
18 June 2009
18 June 2009

Cluster Continuous Replication Network Design

Cluster continuous replication (CCR) is a means of providing a more resilient email system with faster recovery. It was introduced in Microsoft Exchange Server 2007 and uses log shipping and failover. The host-name feature of Exchange 2007 Service Pack 1 and the use of multiple redundant private network interfaces can improve the effectiveness of CCR.… Read more
27 March 2009
27 March 2009

Message Tracking in Exchange 2007

'Where did my mail go?' In order to answer this question, to troubleshoot mail problems and to analyse mail flow, the Exchange administrator can use message-tracking logs. Ben Lye elaborates on these essential logs and explains how you can use Powershell commands to search them for those emails that have gone adrift.… Read more
26 March 2009
26 March 2009

Determining MS Exchange Disk Performance

With an Exchange Server, how do you measure performance? How, in particular do you do about measuring your disk subsystem's performance? Whereas the CPU Usage and Memory usage are both easy to measure, the measurement of disk performance is often described as a 'black art'. In fact it isn't so difficult, as Michael Smith explains… Read more
26 February 2009
26 February 2009

Goodbye Exchange ExMerge, Hello Export-Mailbox

ExMerge was a great way of exporting a mailbox to an Exchange PST file, or for removing all occurences of an email virus, but it has now been replaced by two new Exchange Management Shell cmdlets, Export-Mailbox and Import-Mailbox which are equally as useful to have at hand.… Read more
12 January 2009
12 January 2009

Exchange E-mail Addresses and the Outlook Address Cache

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Because Exchange auto-complete cache uses X.500 addresses for e-mail sent to addresses within the Exchange organization, it will bounce back messages from a re-created mailbox even after you give the user account all the old SMTP addresses. This is because the old X.500 address in the auto-complete cache is missing, and this causes Exchange to reject the messages. Ben Lye explains how to solve this common problem.… Read more
06 January 2009
06 January 2009

Exchange: Recovery Storage Groups

It can happen at any time: You get a request, as Admin, from your company, to provide the contents of somebody's mailbox from a backup set as part of an investigation. The Recovery Storage Group is usually the easiest way to do this. It may either mean using the Exchange Management Console or the Exchange Management Shell. Jaap explains all.… Read more
24 November 2008
24 November 2008

Optimizing Exchange Server 2007

Brien Posey ponders an 'off the cuff' remark that Exchange 2007 runs so well with a default configuration that you don't even have to worry about optimizing Exchange any more. He decides that there is actually plenty that can be done to help Exchange to perform even better… Read more