==Version 3.5 Updates== Version 3.5 introduces the following fixes: Improved the text on the input tab with regards to the number of database copy instances you would like for both HA and lagged copies. Fixes an issue where in a high availability architecture Read More

EDIT: This post has been updated on 1/27/2010 for the new version of calculator. For the list of latest major changes, please see THIS. Overview The Exchange Mailbox Server role is arguably one of the most important roles within an Exchange deployment Read More

EDIT 04/27/2009: We have updated the calculator to v16.9 to address a bug that was found. Please go to our Mailbox Server Role Storage Requirements Calculator updates tracking page to see what is in this new version! A blog post explaining the calculator Read More

Please go to our Mailbox Server Role Storage Requirements Calculator updates tracking page to see what is in this new version! A blog post explaining the calculator (updated for this new version) is here. The download is here. Comments welcome! - Ross Read More

To read the updated Exchange 2007 Storage Cost calculator blog post and get the calculator, go HERE. All future calculator updates will be rolled into this page, sorted from newer to older. UPDATE ON 3/23/2009: Version 4.1 This release includes Read More

EDIT: This post has been updated on 12/2/2008 to match the newest version of Exchange Server 2007 Mailbox Server Storage Cost Calculator. Overview Earlier versions of Exchange did not scale well enough, at a low enough cost per mailbox (because of expensive Read More

Please go to our Mailbox Server Role Storage Requirements Calculator updates tracking page to see what is in this new version! A blog post explaining the calculator (updated for this new version) is here. Comments welcome! - Ross Smith IV Read More

Recently we have learned that some of our customers that use Recovery Storage Group and add multiple databases to it, ran into the following issue: Recovery configured through Database Recovery Management in Exchange Management Console has and issue with Read More

There have been some blogs on VSS backups in the past. Over last few months, we have worked on several cases where troubleshooting VSS was required. Seeing that the documentation around how to troubleshoot this is somewhat lacking, we decided to put together Read More

Please go to our Mailbox Server Role Storage Requirements Calculator updates tracking page to see what is in this new version! A blog post explaining the calculator (updated for this new version) is here. Comments welcome! - Ross Smith IV Read More

Wanted to let you know about this Webcast as it is happening next week... Ross Smith IV is presenting; you can expect an awesome look into designing Exchange 2007 Storage! You can find the details and register here: TechNet Webcast: Microsoft Exchange Read More

So you've heard some folks saying large mailboxes are a good idea. Your users have been screaming for mailboxes with more than 1GB quotas. Your management wants you to be able to recover from outages in minutes, not days. Everyone is telling you to do Read More

Microsoft IT just released a new IT Showcase whitepaper that you might find very interesting. Here is what the problem they were trying to solve was, and the solution: Situation: Microsoft IT ran Exchange Server 2003 mailbox servers in a clustered Read More

As I previously posted about the DPM 2007 Storage Requirements Calculator, I wanted to post a quick note saying that it got updated today. You can get it here: http://blogs.technet.com/dpm/archive/2007/10/31/data-protection-manager-2007-storage-calculator.aspx.  Read More

Microsoft System Centre Data Protection Manager (DPM) is one of the suite of System Centre products to be released last year. DPM offers a new approach to backing up our Exchange data and introduces a number of new alternatives to traditional approaches Read More