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  • Blog Post: New Support Policy for Repaired Exchange Databases

    The database repair process is often used as a last ditch effort to recover an Exchange database when no other means of recovery is available. The process should only be followed at the advice of Microsoft Support and after determining that all other recovery options have been exhausted. For many years...
  • Blog Post: Generating user message profiles for use with the Exchange Calculators

    Greetings Exchange Community! My name is Dan Sheehan, and I work as a Premier Field Engineer for Microsoft, specializing in Microsoft Exchange. As a long time Exchange engineer I am an avid PowerShell scripter, and as such I end up writing a lot of PowerShell scripts. Today I present to you one of those...
  • Blog Post: A better way to collect logs from your Exchange servers

    Do you dislike having to collect diagnostics logs manually from each server in order to troubleshoot an issue or establish a server performance baseline? Did it ever happen to you that you collected the logs, but then found out that you needed more logs from the time the issue was happening, but when...
  • Blog Post: VSSTester script updated – troubleshoot Exchange 2013 and 2010 database backups

    It’s been a while since we talked about VSSTester script! Murali, who maintained the script before, asked me to take over the script maintenance and thus I’m releasing this updated version. This script update is long overdue but better late than never! As before, you can grab a copy of the script from...
  • Blog Post: Announcing Update Rollup 9 for Exchange Server 2010 Service Pack 3

    The Exchange team is announcing today the availability of Update Rollup 9 for Exchange Server 2010 Service Pack 3. Update Rollup 9 is the latest rollup of customer fixes available for Exchange Server 2010 Service Pack 3. The release contains fixes for customer reported issues and previously released...
  • Blog Post: Automated Hybrid Troubleshooting Experience

    One of the more popular deployment options for Office 365, and more specifically Exchange Online, is the Exchange Hybrid Configuration . This deployment option gives customers a way to move some of their mailboxes to Exchange Online, while keeping some on-premises. Our goal with an Exchange Hybrid configuration...
  • Blog Post: Exchange 2013 and Exchange 2010 Coexistence with Kerberos Authentication

    In April 2011, I documented our recommendation around utilizing Kerberos authentication for MAPI clients to address scalability limits with NTLM authentication. The solution leverages deploying an Alternate Service Account (ASA) credential so that domain-joined and domain-connected Outlook clients, as...
  • Blog Post: Concerning Trends Discovered During Several Critical Escalations

    Over the last several months, I have been involved in several critical customer escalations (what we refer to as critsits) for Exchange 2010 and Exchange 2013. As a result of my involvement, I have noticed several common themes and trends. The intent of this blog post is to describe some of these common...
  • Blog Post: Exchange releases: December 2014

    Editor's Note : Updates added below for important information related to Exchange Server 2010 SP3 Update Rollup 8. The Exchange team is announcing today a number of releases. Today’s releases include updates for Exchange Server 2013, 2010, and 2007. The following packages are now available...
  • Blog Post: November Exchange Releases delayed until December

    We know that many of you are anxiously awaiting the release of our quarterly Exchange updates planned for November. Earlier today the Exchange Team decided to hold the release of these packages until December. We made this decision to provide more time to resolve a late breaking issue in the Installer...
  • Blog Post: Come get your Calculator Updates!

    Today, we released updated versions of both the Exchange 2010 Server Role Requirements Calculator and the Exchange 2013 Server Role Requirements Calculator . The Exchange 2010 version is an incremental update and only includes minor bug fixes. You can view what changes have been made, or download the...
  • Blog Post: Be aware: October 26 2014 Russian time zone changes and Exchange

    We wanted to give you a heads up that depending on the version of Exchange you are running, there might be some impact to either names of time zones that are changing on October 26, or the way that actual meetings are displayed in affected time zones. Customers using our newer versions of Exchange, 2010...
  • 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: Released: Update Rollup 7 for Exchange Server 2010 Service Pack 3

    The Exchange team is announcing today the availability of Update Rollup 7 for Exchange Server 2010 Service Pack 3. Update Rollup 7 is the latest rollup of customer fixes available for Exchange Server 2010 Service Pack 3. The release contains fixes for customer reported issues and previously released...
  • Blog Post: Released: Update Rollup 6 for Exchange 2010 Service Pack 3

    The Exchange team is announcing today the availability of Update Rollup 6 for Exchange Server 2010 Service Pack 3 . Update Rollup 6 is the latest rollup of customer fixes available for Exchange Server 2010 Service Pack 3. The release contains fixes for customer reported issues and previously released...
  • 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: 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: Released: Update Rollup 5 for Exchange 2010 Service Pack 3 and Update Rollup 13 for Exchange 2007 Service Pack 3

    The Exchange team is announcing the availability of the following updates: Update Rollup 5 for Exchange Server 2010 Service Pack 3 Update Rollup 13 for Exchange Server 2007 Service Pack 3 Exchange Server 2010 Service Pack 3 Update Rollup 5 resolves customer reported issues and includes...
  • 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: Geek Out With Perry on Mailbox Replication Service (MRS)

    Moving mailboxes is an important part of managing an email service. Check out the latest Geek Out with Perry blog and video to gain some deep insights on our approach to moving mailboxes with Mailbox Replication Service (MRS) and get Perry’s take on this topic and how it works. This technology is also...
  • Blog Post: Transitioning Client Access to Exchange Server 2010

    NOTE: This article has been updated to correct the MSAS URLs mentioned in this article. By now most of you have heard about the release of Exchange 2010. Those of you that are upgrading from Exchange 2003, Exchange 2007 or a mixture of the two, are probably curious about the client access upgrade...
  • Blog Post: Default settings for Exchange-related virtual directories in Exchange Server 2010

    A while ago, we posted the default authentication and SSL settings for Exchange-related virtual directories in Exchange Server 2007. The settings below hold true for Exchange Server 2010 RTM and SP1. You will notice that Unified Messaging is no longer on the list and that is because this virtual directory...
  • Blog Post: Publishing Exchange Server 2010 with Forefront UAG and TMG

    Since joining the Exchange Customer Experience team a few months ago, a question I'm commonly asked (aside from “When are you taking over the storage calculator from Ross? He’s a busy chap and as the new guy on the team you should help him out so he can take a break now and then.” –...
  • Blog Post: Exchange 2010 SP2 RU1 and CAS-to-CAS Proxy Incompatibility

    Update 04/23/12 : we have updated this blog post to indicate that fixes for this issue have been released. Please see below table or our announcements for release of Exchange 2010 SP2 RU2 and Exchange 2007 SP3 RU7 We wanted to give you a heads up regarding a change in CAS to CAS proxy behavior between...