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  • Blog Post: Certificate Planning in Exchange 2013

    Now that we understand the load balancing and namespace planning principles and how clients connect in an Exchange 2013 environment that has Exchange 2007 and/or Exchange 2010 deployed, the proper certificates can be constructed and deployed as part of the upgrade process. Of course it goes without saying...
  • Blog Post: Client Connectivity in an Exchange 2013 Coexistence Environment

    This article is part 3 in a series that discusses namespace planning , load balancing principles , client connectivity, and certificate planning. Over the last several months, we have routinely fielded questions on how various clients connect to the infrastructure once Exchange 2013 is deployed. Our...
  • Blog Post: Exchange 2003 migration toolkit

    Microsoft Exchange Server 2003 entered the market on September 28, 2003 and continued the great messaging and collaboration experience that Microsoft Exchange Server had provided in previous releases. As we approach April 8, 2014, we want to inform users of Microsoft Exchange Server 2003 of the opportunities...
  • 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: Namespace Planning in Exchange 2013

    A while back we promised an article on namespace planning and load balancing principles with Exchange 2013. We’re finally going to fulfill that promise as a series of articles. The articles will span several topics, including namespace planning, load balancing , client connectivity coexistence , and...
  • Blog Post: Load Balancing in Exchange 2013

    This article is part 2 in a series that discusses namespace planning , load balancing principles, client connectivity , and certificate planning. Load Balancing Unlike previous versions of Exchange, Exchange 2013 no longer requires session affinity at the load balancing layer. To understand this statement...
  • Blog Post: Exchange 2010 High Availability Misconceptions Addressed

    I’ve recently returned from TechEd North America 2011 in Atlanta, Georgia, where I had a wonderful time seeing old friends and new, and talking with customers and partners about my favorite subject: high availability in Exchange Server 2010. In case you missed TechEd, or were there and missed some...
  • Blog Post: Announcing Enhanced Hardware Virtualization Support for Exchange 2010

    The Microsoft Exchange team is enhancing positioning by including additional supported scenarios regarding Exchange Server 2010 running under hardware virtualization software. As of today, the following support scenarios are being updated, for Exchange 2010 SP1, and later: The Unified Messaging...
  • Blog Post: Exchange Server 2013 Architecture Poster PDF Download Available

    We just released a downloadable PDF version of the Exchange Server 2013 Architecture Poster . This is the poster that we handed out at the Office booth and in various Exchange 2013 breakout sessions last week at TechEd North America 2013 in New Orleans, LA. We’ll also be handing out printed copies...
  • Blog Post: Exchange 2013 Server Role Architecture

    The Past: Exchange 2007 and Exchange 2010 In 2005, we set out developing Exchange 2007. During the preliminary planning of Exchange 2007, we realized that the server architecture model had to evolve to deal with hardware constraints, like CPU, that existed at the time and would exist for a good portion...
  • Blog Post: Exchange Advice Video – YOUR Advice

    You hear from us pretty often. While we absolutely want you to read Ross’ blog and factor in transaction log space in your capacity planning or listen to Perry talk about how we’ve shifted to a services culture , we like hearing from you too. As part of our Exchange Ideas video series, we asked some...
  • Blog Post: Designing a Highly Available Database Copy Layout

    Update 10/21/11 : To read the related TechNet documentation, please go here , here and here . Exchange 2010 introduced the database availability group (DAG), which enables you to design a mailbox resiliency configuration that is essentially a redundant array of independent Mailbox servers. Multiple...
  • Blog Post: Database Maintenance in Exchange 2010

    Over the last several months there has been significant chatter around what is background database maintenance and why is it important for Exchange 2010 databases. Hopefully this article will answer these questions. What maintenance tasks need to be performed against the database? The following...
  • Blog Post: Exchange 2013 Client Access Server Role

    In a previous article , I discussed the new server role architecture in Exchange 2013. This article continues the series by discussing the Client Access server role. While this Exchange server role shares the same name as a server role that existed in the last two Exchange Server releases, it is markedly...
  • Blog Post: Exchange 2010 Database Availability Groups and Disk Sector Sizes

    These days, some customers are deploying Exchange databases and log files on advanced format (4K) drives. Although these drives support a physical sector size of 4096, many vendors are emulating 512 byte sectors in order to maintain backwards compatibility with application and operating systems. This...
  • Blog Post: Exchange Server 2010 SP2 and Support for Hosting Exchange

    With the release of Exchange Server 2010 SP2 later this year, we will add a new feature known as Address Book Policies . Following this addition, hosters who wish to deploy the standard on-premises configuration of Exchange and use ABP will be supported. As you may have read in a recent post over on...
  • Blog Post: Now Available: Exchange Server 2013 Deployment Assistant

    We’re excited to announce the availability of the Exchange Server 2013 Deployment Assistant at http://technet.microsoft.com/exdeploy2013 . The Exchange Deployment Assistant is a web-based tool that helps you deploy Exchange 2013 in your on-premises organization, configure a hybrid deployment between...
  • Blog Post: Update on Multi-Mailbox Search Licensing

    Earlier this month we announced a change on this blog related to licensing for Multi-Mailbox Search . Since then we’ve received questions about when it’ll go into effect. The change will go into effect starting October 1, which is when it’ll be reflected in the product use rights (PUR). The PUR contain...
  • Blog Post: Exchange 2010 Service Pack 2 and Hosting

    With the changes in strategy we announced in Future of /Hosting Mode a few months back we wanted to take the opportunity to make clear what is supported in what are typically referred to as hosting scenarios. We announced that hosters would be able to use Exchange 2010 SP2 to provide hosted Exchange...
  • Blog Post: Combining Web Farm publishing with Software or Hardware Based Load Balanced CAS arrays

    In my post just the other day I provided a link to the new guide covering Exchange publishing via Forefront TMG or UAG. One poster followed up by asking, “How do I set things up when I have both TMG/UAG with a web farm and a hardware load balancer?” It’s a great question, as these days hardware load...
  • Blog Post: Analyzing Exchange Transaction Log Generation Statistics

    Download Update 11/5/2013 : added a section on firewall rules to try. Overview When designing a site resilient Exchange Server solution, one of the required planning tasks is to determine how many transaction logs are generated on an hourly basis. This helps figure out how much bandwidth will be required...
  • Blog Post: Dude, Where's My Single Instance?

    In Exchange Server 2010, there is no more single instance storage (SIS). To help understand why SIS is gone, let's review a brief history of Exchange. During the development of Exchange 4.0, we had two primary goals in mind, and SIS was borne out of these goals: Ensure that messages were delivered as...
  • Blog Post: Ambiguous URLs and their effect on Exchange 2010 to Exchange 2013 Migrations

    With the recent releases of Exchange Server 2013 RTM CU1 , Exchange 2013 sizing guidance , Exchange 2013 Server Role Requirements Calculator , and the updated Exchange 2013 Deployment Asistant , on-premises customers now have the tools you need to begin designing and performing migrations to Exchange...
  • Blog Post: Geek Out with Perry on New Exchange Online Functionality

    The Exchange team strives to improve our high availability functionality and improve redundancy, particularly in our Exchange Online datacenters. Check out a new episode of Geek Out with Perry where Perry explains how an interesting idea became a research effort and eventually new functionality that...
  • Blog Post: Announcing a licensing change for Multi-Mailbox Search

    In Exchange 2010, we introduced the ability for discovery managers to search mailboxes across an Exchange 2010 organization using Multi-Mailbox Search . Along with Personal Archives , which allow you to eliminate the risk from PST files and store historical messaging data in Exchange, Legal Hold , which...