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  • Blog Post: Protecting against Rogue Administrators

    Occasionally I am asked the following question – how can I protect the messaging environment from a rogue administrator? There are essentially two concerns being asked in this question: How do I protect the data from being deleted by a rogue administrator? How do I protect the data from being accessed...
  • Blog Post: Keep your Federation Trust up-to-date

    Microsoft periodically refreshes certificates in Office 365 as part of our effort to maintain a highly available and secure environment. On September 23, 2014, we are making a certificate change on our Microsoft Federation Gateway that could affect some customers as detailed in knowledge base article...
  • Blog Post: Public Folder Updates in Exchange 2013 CU6: Improving Scale and More

    Note: Some of the documentation referenced may not be fully available at the time of publishing of this post. Exchange Server 2013 Cumulative Update 6 (CU6) was released today and provides several important updates for modern Public Folders. This blog post introduces you to the updates delivered in...
  • Blog Post: Released: Cumulative Update 6 for Exchange Server 2013

    Note: We have learned that customers using Exchange Server 2013 and Exchange Server 2007 co-existence can experience an issue causing Exchange Server 2013 CU6 databases to failover. Please refer to KB2997209 for the specific scenario impacted. The Exchange team is announcing today the availability...
  • Blog Post: Released: PelNet v2.0

    download Update : On August 25, 2014, the pelnet.ps1 script was updated to fix a minor bug. EHLO Exchange community, It seems that PelNet has been well received and I’ve been receiving requests to add much wanted functionality to PelNet. So this article is a quick update on some of the cool new features...
  • Blog Post: Handling email viruses with Exchange Online

    When customers receive an email with a suspected virus, they often ask “ What do I do now? ” This blog post helps answer that question and guides you through our recommended process. This is intended for customers using Office 365 or Exchange Online Protection with on-premises Exchange servers. First...
  • Blog Post: Managed Availability Probes

    Probes are one of the three critical parts of the Managed Availability framework (monitors and responders are the other two). As I wrote previously, monitors are the central components, and you can query monitors to find an up-to-the-minute view of your users’ experience. Probes are how monitors...
  • Blog Post: Important update available for Exchange Server 2013 hybrid deployments

    Update 8/26/14 : changed the resolution to include the release of Exchange 2013 Cumulative Update 6 (CU6). An important update is now available to resolve issues customers are currently experiencing when using the Hybrid Configuration Wizard (HCW) to create a new or manage an existing hybrid deployment...
  • Blog Post: Modern Public Folder Scale Improvements and More

    Update: Scale improvements have been rolled out for Office 365 announced in 10x increase in Public Folder limits . It has been about two months since I was in Austin at my first Microsoft Exchange Conference. I must say Austin left quite an impression on me, partly because of the wonderful people...
  • Blog Post: Site Resilience Impact on Availability

    This article continues the analysis I started in my previous article, DAG: beyond the “A” . We all understand that a good technology solution must have high levels of availability, and that simplicity and redundancy are the two major factors that drive solution availability. More specifically...
  • Blog Post: Released: Exchange Server 2013 Cumulative Update 5

    The Exchange team is announcing today the availability of our most recent quarterly servicing update to Exchange Server 2013. Cumulative Update 5 for Exchange Server 2013 and updated UM Language Packs are now available on the Microsoft Download Center. Cumulative Update 5 represents the continuation...
  • Blog Post: OAB Improvements in Exchange 2013 Cumulative Update 5

    Cumulative Update 5 (CU5) for Exchange Server 2013 will be released soon TM , but before that happens, I wanted to make you aware of a behavior change in the Offline Address Book that is shipping in CU5. Hopefully this information will aid you in your planning, testing, and deployment of CU5. The Offline...
  • Blog Post: Outlook Connectivity with MAPI over HTTP

    Among the many new features delivered in Exchange 2013 SP1 is a new method of connectivity to Outlook we refer to as MAPI over HTTP (or MAPI/HTTP for short). We’ve seen a lot of interest about this new connection method and today we’ll give you a full explanation of what it is, what it provides...
  • Blog Post: Released: PelNet

    download With the huge scale environment I currently work in my team has had some difficulty when it comes to validating customer transport changes, specifically when adding new send connectors or new smart hosts. The same goes for troubleshooting mail flow….you know…whip out good...
  • Blog Post: MEC 2014 Recordings are here!

    A few weeks ago we wrapped up MEC 2014 in Austin, TX with the farewell Austin post . Today we are happy to announce that the MEC 2014 keynote and breakout sessions are published on Channel 9. This includes the latest content on Exchange foundational topics and the latest features including groups, and...
  • Blog Post: The Preferred Architecture

    During my session at the recent Microsoft Exchange Conference (MEC), I revealed Microsoft’s preferred architecture (PA) for Exchange Server 2013. The PA is the Exchange Engineering Team’s prescriptive approach to what we believe is the optimum deployment architecture for Exchange 2013, and one that is...
  • Blog Post: Updated: Exchange Server Deployment Assistant

    We’re happy to announce updates to the Exchange Server Deployment Assistant ! These updates offer you more deployment options and outline new features that make deployments more flexible and easier to configure. We’ve updated the Deployment Assistant to include the following: Support for the Exchange...
  • Blog Post: How to publish Anonymous Calendar Sharing URL in Exchange Online or Exchange 2013

    Do your users want to share their calendar with anonymous users? Here's a tip related to sharing your calendar via a web link for anonymous users (users outside of your organization). Users can publish their calendar for anonymous viewers using OWA . Organization administrators can also publish a...
  • Blog Post: MEC 2014 wrap-up

    The bands are silent, the booths are dismantled, the R/C racecars are quiet, and Squeaky Lobster has left the building. Microsoft Exchange Conference 2014 is officially done. As we head home stuffed with Exchange knowledge and barbeque brisket, we thought we’d give you a brief photo sampling of the fun...
  • Blog Post: Bringing predictive email to the workplace

    This week at MEC, we’ve been talking a lot about the power of the Office graph, and how it helps us deliver personalized and proactive experiences for email users. As part of that journey, we’re excited to announce an advanced predictive email assistance feature coming to Exchange. This exciting...
  • Blog Post: MEC is Here!

    Greetings from downtown Austin, where Microsoft Exchange Conference (MEC) 2014 is now underway. Since attendees started rolling into town on Saturday, local bars and restaurants have been full of the sounds of Exchange: conversations about load balancing, debates about EAC vs. PowerShell, and tales of...
  • Blog Post: Mailbox Migration Performance Analysis

    When you're migrating on-premises mailboxes to Office365, there are a lot of factors that can impact overall mailbox migration speed and performance. This post will help you investigate and correct the possible causes by using the AnalyzeMoveRequestStats.ps1 script to analyze the performance of a...
  • 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: This mailbox database contains one or more mailboxes…

    Let’s say you are in process of removing the last copy of a mailbox database or uninstalling an Exchange server and run into the following error message: “This mailbox database contains one or more mailboxes…” You check again and again but can’t find a mailbox on the server being uninstalled or the database...
  • 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...