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  • Blog Post: OAB Improvements in Exchange 2013 Cumulative Update 7

    Note : Cumulative Update 7 (CU7) for Exchange Server 2013 will be released soon TM . Back in May , I discussed the changes we introduced in Exchange 2013 Cumulative Update 5. Specifically with CU5 and later, an OAB can only be assigned (or linked) to a single OAB generation mailbox. This architectural...
  • Blog Post: Improved CalCheck integration with OffCAT

    In the last week there have been two big improvements related to CalCheck and OffCAT that will make life a little easier when troubleshooting ‘calendar’ issues. 1. Relevant solutions for all CalCheck issues added to the following article: 2678030 Information about the Calendar Checking Tool for Outlook...
  • 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: Upgrade to Office Configuration Analyzer Tool (OffCAT) version 1.2

    Just over a year ago on March 8, 2013 the first version of OffCAT was released. In the 12 months that followed, the OffCAT team released a new version (v1.1), published numerous rule file updates that included over 260 new detection rules and over 250 bug fixes/feature improvement. And now with over...
  • 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: Outlook 2013 profile might not update after mailbox is moved to Exchange 2013

    Update 3/18/2014: The fix for this issue has been released and is a part of March 11 2014 update for Outlook 2013. Please see the following KB article: http://support.microsoft.com/kb/2863911 . We wanted to make certain that Exchange admins are aware of an Outlook issue which may impact your plans to...
  • Blog Post: Common mailbox / folder sharing scenarios Guided Walkthroughs now available

    Exchange and Outlook have, for years, been great collaboration platforms, where our customers could share information easily with others. One of the things that came to light when a lot of our customers adopted Office 365 , is that many often have trouble matching their business needs to actual features...
  • Blog Post: When, if and how do you modify Outlook Providers?

    As mentioned in my previous post on the subject of Autodiscover Service and Outlook Providers - I wanted to follow-up with the discussion of modifying the providers. What is the impact when we change the Outlook provider configuration? In what scenarios the Outlook provider should be modified? Relatively...
  • Blog Post: Understanding multi-domain DL update and delegate issues after application of Exchange 2003 SP2

    EDIT 1/24/2008: Please see the Part 2 of this post which has additional information on how to resolve this problem. After applying SP2 to an Exchange 2003 server, users may have problems updating Distribution list membership and delegating permissions to specific users. This problem is occurring because...
  • Blog Post: How does Outlook 2003 Cached Mode leverage Exchange 2003 Full-Text Indexing?

    For those of you who have enabled Full-Text Indexing, you know that when it works it executes searches very quickly returning results for not only e-mail messages but also Word, Excel, HTML, and PowerPoint documents/attachments. However, since Outlook 2003 has come along with " Cached Mode " some people...
  • Blog Post: Released: Office Configuration Analyzer Tool (OffCAT)

    On March 8th, we released the Office Configuration Analyzer Tool (OffCAT) to the Microsoft Download Center, replacing Outlook Configuration Analyzer (OCAT), the original diagnostic tool for Microsoft Outlook. OffCAT was developed by the same team that put together OCAT , so it should be seen as the next...
  • Blog Post: It Takes a Long Time…

    Following our recent announcement of the release of Update Rollup 1 for Exchange 2010 Service Pack 2 you will see we released a ton of fixes and I wanted to blog about one specifically, and maybe at the same time provide some background into how issues like these come about and how we go about fixing...
  • Blog Post: Managing OAB in Exchange Server 2013

    The Exchange team blog article OAB in Exchange Server 2013 introduced the new Offline Address Book (OAB) generation and distribution architecture in Exchange Server 2013. Take a few moments to visit the article if you haven’t seen it yet or re-visit it for a quick refresher. The OAB management and administration...
  • Blog Post: Outlook Anywhere changes in Exchange Server 2007 SP1

    In Exchange Server 2007 SP1, the configuration of Outlook Anywhere (formerly known as RPC over HTTP) has been changed to accommodate the different ways Exchange CAS servers are deployed on the Internet. This blog post provides an overview of these changes. Exchange 2007 RTM In Exchange 2007 RTM, enabling...
  • Blog Post: Office 365 – Password Expiration Notifications in Outlook

    The Microsoft Outlook team has released updates for Outlook 2010 and 2007 that provide Office 365 users with password expiration notifications. The advance password expiry notification will be displayed in a pop-up message (near the system clock) within a certain time period before their password actually...
  • Blog Post: CalCheck - The Outlook Calendar Checking Tool

    Over the past year or so I have been working on this tool - adding functionality and checks based off my experience as an Outlook engineer, and from suggestions given by other engineers. Well, this February the tool has been released so that all our customers can download and use it to check for potential...
  • Blog Post: So why on Earth did you do that stupid 'push notification' thingy in Exchange, and why is it so NAT unfriendly?

    JC Hillerman wrote a comment in on my bio: I heard that Exchange was purchased by Microsoft, but it seems clear that you were working on new development. Maybe it was just the MTA that was purchased? I also heard that Exchange was initally written in Pascal and was ported to C using a translator...
  • Blog Post: Hey Outlook 2010, where are my message headers?

    Earlier last week, we moved the Exchange team blog to TechNet (check out EHLO Again! for a brief recap and what's new, in case you missed it). Nino Bilic and some Exchange MVPs pointed out that the blog had actually moved back to TechNet. Well, we’re glad to be back! More good news: this week, our friends...
  • Blog Post: GAL Photos in Exchange 2010 and Outlook 2010

    Over the years, displaying recipient photographs in the Global Address List (GAL) has been a frequently-requested feature, high on the wish lists of many Exchange folks. Particularly in large organizations or geographically dispersed teams, it's great to be able to put a face to a name for people you...
  • Blog Post: Outlook Connectivity to Office 365 Troubleshooter Now Available

    Outlook Connectivity to O365 Troubleshooter It is no secret that if you are an Exchange/Office 365 administrator you will no doubt have to troubleshoot Outlook connectivity at some point. Whether you use Exchange Online, on-premises, or some combination of both, you will inevitably have an issue with...
  • Blog Post: Utilizing Time Zone Data Update Tool for Microsoft Office Outlook V3.0 functionality in the Exchange Calendar Update Configuration Tool V 2.0

    This August 2008, Microsoft has released an update to the Outlook Time Zone Update Tool. This new version (Version 3.0) offers, amongst others, better support for Israel and Brazil with regards to time zone handling and rebasing of calendars. The Exchange Calendar Update Configuration Tool utilizes...
  • Blog Post: Outlook 2007 feature matrix based on Exchange Server version

    Outlook 2007 is the latest version of the e-mail client for accessing an Exchange mailbox. To make this version of Outlook very flexible, it can connect to a mailbox on the following versions of Exchange: Exchange 2000 Exchange 2003 Exchange 2007 However, if your mailbox is on an Exchange 2007 server...
  • Blog Post: Sender ID

    You may already know that Exchange 2003 SP2 includes a new feature for SenderID support. SenderID ( http://www.microsoft.com/senderid ) is the e-mail authentication framework that targets one of the most common security issues in the world of SMTP message transfer, which is spoofing. In short Sender...
  • Blog Post: Removing "Reply All" Functionality for Outlook Users Who Participate in Reply-All Storms, via Group Policy: the "Techy Stuff"

    This is a part 2 of blog posts on this subject, you can read part 1 here . Within the first part of this post, I showed you had to remove the Reply-All functionality via GPO. At its core the process is relatively straight forward (obtain Outlook ADM templates, define policies, link and deploy it). However...
  • Blog Post: Setting Folder Permissions in Outlook - what really happens?

    Someone asked the following, so I thought I would try and address the issue as I think it is one that is commonly misunderstood: Could you enlighten us on what happens when an Outlook user uses the permissions tab on a folder to grant access to other users? It apparently isn't the same as when...