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  • Blog Post: Hierarchical Address Book now available in Office 365 too

    Exchange 2013 debuted last year with the ability to configure a Hierarchical Address Book (HAB) for on premises deployments. As many of our customers are migrating and evaluating the cloud, a consistent user experience between online and on premises deployments is not just a requirement, but an expectation...
  • Blog Post: Responding to Managed Availability

    I’ve written a few blog posts now that get into the deep technical details of Managed Availability. I hope you’ve liked them, and I’m not about to stop! However, I’ve gotten a lot of feedback that we also need some simpler overview articles. Fortunately, we’ve just completed...
  • Blog Post: The first rule for secure deployment

    Disable services, features and components that you are not using.   Exchange is a complex product that provides many features.  Many of the features are not used by every Exchange customer.  In Exchange 2003 we changed the install to only enable by default features used by the majority of our customers...
  • Blog Post: Scripts to count and generate statistics about the number of security groups to which an Exchange user belongs

    This blog post is a follow-up post to previous 3 CXP flashes that talked about Windows 2003 kernel memory issues and Exchange 2003: The first flash provided technical background about the demands Exchange makes on kernel resources. The second flash discussed hardware configurations that can...
  • Blog Post: Are large messages slowing your Exchange server down?

    As Ewan mentioned a little while ago , there are some pretty extreme things going on in some our customer’s Exchange environments. One of the things that I could definitely relate to was the customer who sent a message that was 2.4GB that was successfully delivered. While Exchange is quite capable of...
  • Blog Post: Is offline defragmentation considered regular Exchange maintenance?

    Every so often people ask us - "How often do you recommend we run the offline defrag?" Meaning - how often do we run it to have the server run OK? The short answer would be - we do NOT recommend this to be run as any type of "regular" maintenance at all. Looking at this closer - what really...
  • Blog Post: A few basic concepts in disk sizing

    While I was at TechEd, I had a great time talking with our customers and hearing about their experiences as Exchange administrators. One of the areas that have come up in discussion a lot has to do with planning sufficient disk throughput for the back-end exchange servers. A Lead Program Manager in the...
  • Blog Post: Avoiding Jitter: Jumpstarting the Exchange shell

    A little trick from Jeffrey Snover over on PowerShell team blog: Speeding Up PowerShell Startup . Running the script mentioned by Jeffrey speeds up PowerShell startup times. Yes, hard to believe at first, but after having run this on a few servers, as Jeffrey says - the reaction is "Wow!" Paste...
  • Blog Post: How ESM Matches Public Folder Objects to Directory Objects

    I recently worked on a few support cases where questions came up on "what exactly happens" when we use the Exchange System Manager (ESM) to pull up properties of public folders. How does the ESM find a matching public folder directory object in Active Directory, to display the public folder email addresses...
  • Blog Post: Troubleshooting Move-Mailbox operations in Exchange 2007 that fail due to an attribute "Being Too Long"

    You may experience problems performing mailbox move operations if the number of characters on a given Exchange attribute is greater than the default values defined by /SchemaPrep. Most commonly this issue occurs because of an administrative and unsupported edit of the Schema to allow for more characters...
  • Blog Post: Need help converting your LDAP filters to OPATH?

    After installing Exchange 2007 into your existing Exchange organization, the address lists and recipient policies must have OPATH filters specified in order to administer them from the Exchange 2007 tools. As discussed in the earlier blog post , OPATH is the basis for the filtering syntax used by PowerShell...
  • Blog Post: Snap, crackle... IMAP! er... SMTP? er... HTTP! Aw, heck...

    Working within protocols for several years, one of the most invaluable tools that we have in our toolbox is the Network Monitor (one of the tools in the Microsoft Systems Management Server, Microsoft Windows 2000 Server, or Microsoft Windows Server 2003, and has a nice little FAQ here: Frequently Asked...
  • Blog Post: What's New in the Exchange Management Console for Exchange Server 2010 - Part 2

    This is a continuation of our showcase of new EMC functionality in Exchange 2010. Part 1 of this series can be found here . Certificate Management In Exchange Server 2010, significant improvements have gone into managing certificates with the EMC. To name just a few enhancements: you can now assign a...
  • Blog Post: Announcing the Microsoft Exchange Server Best Practices Analyzer Version 2

    Last September we announced the release of the Microsoft Exchange Server Best Practices Analyzer Tool. This tool has been extremely successful and widely used. Building on that success, we are now announcing the release of version 2. Version 2 incorporates a lot of new features and enhancements based...
  • Blog Post: Exchange Server 2007 Export Mailbox task

    Exporting Mailbox Content Export-Mailbox is a task developed by the migration team to allow Administrators to export content from active mailboxes to a folder inside other active mailboxes. The initial idea for this task was to be a complete replacement for ExMerge. The implementation of some of this...
  • Blog Post: Surprise your users with an April Fool's Day OWA 2003 Theme

    I just posted instructions on how to create this OWA theme on my blog: In addition to the cow look, it also has a moooooooooooo for a new mail sound, and a cowbell for the reminder. Have fun! - KC Lemson
  • Blog Post: Records Management in Exchange Server 2007 and Outlook 2007 in 5 Easy Steps

    In my last post , I wrote about why records management is important. This post will cover how Exchange 2007 and Outlook 2007 will help you with this. 1. Place your e-mail content in a place where you can manage it: Exchange 2007 offers a wealth of records management features but it has to be able to...
  • Blog Post: One way to migrate from Exchange 5.5+ org to Exchange 2003 Sp1 org

    Today I want to write about how to use the Exchange 2003 Sp1 (hereafter called E2003 Sp1) Migration Wizard (hereafter called Mailmig). There have been some real good posts recently about how to use ExMerge for disaster recovery and migrations. Please note here that Mailmig is for migration between different...
  • Blog Post: Why is Exchange Store.exe so RAM hungry?

    This seems to be one of most favorite questions ever: "How come that Exchange Store.exe keeps on grabbing more and more memory, even on the server that is not very busy? Is there a memory leak?". This is many times followed by "I am rebooting my server on the weekly basis to keep store memory consumption...
  • Blog Post: How ESM discovers domain controllers

    Something that comes as a surprise to many Exchange administrators is that the Exchange System Management (ESM) tool does not use DSAccess to discover the DC it will talk to.  Instead it discovers the DC it will use on its own, using ADSI to do a server-less binding to the directory.  The reason behind...
  • Blog Post: Exchange Server 2007 Recipient Management One-Liners Part 2

    A few days ago, we posted blog Exchange Server 2007 recipient management one-liners covering common recipient management scenarios in Exchange Server 2007 using Exchange Management Console ("console"), and the one-liners behind the scenes - single-line commands in Exchange Management Shell ("shell" or...
  • Blog Post: Decoder ring, where are you?

    In order to help our customers configure their servers better, we have been working on a tool that you will be able to run from a workstation and configure your Exchange 2007 servers easier. Some of those options are not easy to configure otherwise, and some of the problems that you might have seen in...
  • Blog Post: How Daylight Savings Time Date Changes affect Scheduling in Outlook Client

    Some countries like Chile , Brazil and Israel adopt a variable Daylight Saving Time dates (DST). The initial and end dates change every year following the government decision. As a result, users in these countries experience inconvenience with their Outlook meetings and appointments being off by...
  • Blog Post: What is Exchange 2010 automatic mailbox distribution?

    Have you ever wondered why, in Exchange 2010, you can create a new mailbox and you don't have to tell Exchange in what mailbox database it should be created? Or had an administrator in one department create a mailbox, and the mailbox is created in a database that their department isn't assigned? If you...
  • Blog Post: What does it take to install admin only?

    When all the prerequisites are met, installing the Exchange System Management component is quick and painless. However, due to seemingly continuous changes in the OS, the prerequisites can be different between each version of the OS and each service pack. As far as Exchange is concerned our underlying...