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  • Blog Post: Now Available: GetLogFileUsage.ps1 script

    Whether you’re using the Exchange Server Role Requirements Calculator by Ross Smith IV or the Exchange Client Network Bandwidth Calculator by Neil Johnson, you’ll need to provide statistics about your log file usage to determine bandwidth requirements. Whenever I’ve done that previously...
  • Blog Post: Exchange 2010 and 2013 Database Growth Reporting Script

    Introduction Often times in Exchange Support we get cases reporting that the size of one or more Exchange databases is growing abnormally. The questions or comments that we get will range from “The database is growing in size but we aren’t reclaiming white space” to “All of the databases on this one...
  • Blog Post: MIME messages delivered to public folders show up as post items

    In Exchange 5.5, when you emailed a MIME message to a public folder, it would be delivered to the public folder as an email message (message class IPM.Note). In Exchange 2000/2003, this behavior changed, a byproduct of the new support for native MIME content. In Exchange 5.5, all messages were converted...
  • Blog Post: Ask the Perf Guy: Sizing Exchange 2013 Deployments

    Since the release to manufacturing (RTM) of Exchange 2013, you have been waiting for our sizing and capacity planning guidance. This is the first official release of our guidance in this area, and updates to our TechNet content will follow in a future milestone. As we continue to learn more from our...
  • Blog Post: Exchange 2007 Mailbox Server Role Storage Requirements Calculator updated to v 15.6

    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 Share this post :
  • Blog Post: How Mailbox Manager processes recipients

    This is a part 2 of my 3 part series on Mailbox Manager, please go here to read the part 1! There is a task (CMBCleanTask) within MAD.EXE that runs every 15 minutes and figures out if the schedule information says it is now time to run. The schedule is controlled by the attributes msExchMailboxManagerActivationStyle...
  • Blog Post: What happens during the online Normal backup?

    Note: the following applies to “streaming” backups, not to the VSS backups. Exchange transaction logs track all the changes to a database. If a database crashes, no harm done, because the transaction logs always secure changes before the crash. When you start the database again, the logs have everything...
  • Blog Post: Capacity and transactional IO requirements for Exchange 2007 Edge Transport and Hub Transport servers

    NOTE: The content of this article has been published in the official Exchange 2007 documentation. We recommend that you check the documentation for the must up-to-date version. Please go here: http://technet.microsoft.com/en-us/library/bb738141.aspx Introduction This blog post focuses on the...
  • Blog Post: Why should you use Diskpar (Diskpart in W2003 SP1)?

    Exchange Server can benefit from having basic disk partitions track-aligned. Diskpar.exe is used for aligning a partition at the storage level, which, if used to create the partition, can have a significant positive performance impact on the storage and is highly recommended. Before I go into the details...
  • Blog Post: Exchange 2003 SP2

    Hi, I’ve hopefully met many of you at TechEd, IT Forum, or another Exchange community event – but if not, I hope to meet you there soon and I’ll introduce myself now to get it out of the way. I’m the General Manager of the Exchange product team. I’ve been a member of the Exchange team for 4 years...
  • Blog Post: Capacity Planning – Yes Transaction Log Space is Critical to Keeping your Databases Healthy and Mounted

    The other day I was chatting with one of our Supportability Program Managers, Nino Bilic, and he mentioned something that was rather alarming  - the number one reason why our Premier customers open Exchange 2010 critical situations is because Mailbox databases dismount due to running out of disk...
  • Blog Post: Exchange 2007 Mailbox Server Role Storage Requirements Calculator updated to v 16.0

    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
  • Blog Post: "I'll have some transaction log files for breakfast" day

    With viruses spreading quick out there today, we had several cases where Exchange transaction logs got either deleted, quarantined or "cured" by file-level anti-virus software that is running on Exchange servers... the result is a bad thing... stores down, transaction logs missing. In some cases the...
  • Blog Post: Optimizing Storage for Exchange Server 2003 paper is out

    As Chris mentioned on his blog - we have a new paper out that talks about Optimizing Storage for Exchange Server 2003. Definitely a good read that talks about where Exchange generates most IO, what the best practices are for placing Exchange files on different types of storage and, very importantly,...
  • Blog Post: Released: Exchange 2013 Server Role Requirements Calculator

    download release notes readme It’s been a long road, but the initial release of the Exchange 2013 Server Role Requirements Calculator is here. No, that isn’t a mistake, the calculator has been rebranded.  Yes, this is no longer a Mailbox server role calculator; this calculator includes recommendations...
  • Blog Post: Some more thoughts on disk IO and calculations….

    Thanks to everyone whose posted questions and comments to my previous blog post ! Since I’ve had so many questions on calculating IO, I thought I’d go into a bit more. First, there are many ways to calculate the disk IO per user. Measuring IO: What to measure: In my blog, I recommended that you measure...
  • Blog Post: DPM 2007 Storage Requirements Calculator Released to Web

    Today the Data Protection Manager (DPM) team has released the DPM 2007 Storage Requirements Calculator to the web. You can download it here - http://blogs.technet.com/dpm/archive/2007/10/31/data-protection-manager-2007-storage-calculator.aspx . This iteration of the calculator only focuses on storage...
  • Blog Post: How to Recover from "Disk Full" on an Exchange Log Drive

    Introduction Every change made to an Exchange database must first be written in a transaction log file. Most Exchange administrators keep Exchange transaction log files on a dedicated drive. If the drive fills up, all Exchange databases in an affected storage group will dismount. Before you can...
  • Blog Post: Did you just say you wanted a large mailbox?

    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 more with less. Well, with Exchange 2007 you can...
  • Blog Post: Exchange 2007 Mailbox Server Role Storage Requirements Calculator

    EDIT: This post has been updated on 5/6/10 for the new version of storage calculator. For the list of latest major changes, please see THIS . In order to assist customers in designing their storage layout for Exchange 2007, we have put together a calculator that focuses on driving the storage requirements...
  • Blog Post: Exchange Server 2007 SP1 ESE Changes - Part 1

    Exchange 2007 Service Pack 1 introduces several changes in the Extensible Storage Engine (ESE). Two of these are: Removal of page dependencies Disablement of partial merges But first, in order to understand what is discussed below, we should have a brief discussion on ESE. ESE Architecture As you are...
  • Blog Post: So what is this "shadow copy" Exchange backup that NTBackup can take?

    My post on backups did not go into VSS backups and Exchange. Here are a few things about using VSS and Exchange, seeing that NTBackup comes with some "generic" shadow copy capabilities - a clarification of that functionality is in order: - You physically can back up Exchange database files while...
  • Blog Post: Released: v18.9 of the Exchange 2010 Mailbox Server Role Requirements Calculator

    We've made several bug fixes based on community feedback. 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 is here and or you can download the calculator directly. Comments welcome...
  • Blog Post: Released: v14.4 of the Exchange 2010 Mailbox Server Role Requirements Calculator

    Important: We’ve released version 14.4 to replace versions 14.1 and 14.2 of the calculators due to bugs found. Please download the latest version. Today we've released an update to the E2010 Mailbox Server Role Requirements Calculator that addresses several usability issues identified in...
  • Blog Post: How mail-enabled Public Folders work

    Getting a piece of email to a main-enabled public folder actually takes a bit more work than one might expect. That is because public folders have some interesting characteristics that separate them from other mail-enabled objects in the directory: There are actually many correct final destinations for...