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  • 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: Exchange ActiveSync on-boarding to Office 365

    Introduction Exchange Server 2013 Cumulative Update 8 (CU8) and Exchange Server 2010 SP3 Rollup Update 9 (RU9) introduced a new feature to provide a more seamless experience for ActiveSync-enabled users who move from on-premises Exchange servers to Office 365. This blog post explains the current situation...
  • Blog Post: Exchange 2013 Monitoring Mailboxes

    Introduction Exchange Server 2013 introduced a new feature called Managed Availability , which is a built-in monitoring system with self-recovery capabilities. Managed Availability performs continuous tests (probes) that simulate end-user actions, to detect possible problems with Exchange components...
  • Blog Post: Announcing Cumulative Update 8 for Exchange Server 2013

    The Exchange team is announcing today the availability of Cumulative Update 8 for Exchange Server 2013. The Cumulative Update Package and UM Language Packs are now available on the Microsoft Download Center. Cumulative Update 8 represents the continuation of our Exchange Server 2013 servicing and builds...
  • Blog Post: Network Ports for Clients and Mail Flow in Exchange 2013

    Once upon a time in a land far, far away I wrote an article that told our action packed supportability story about the relationship of firewalls and Exchange servers. While the majority of response was positive to this purposefully lighthearted article (if you can’t enjoy your work why do it? :), there...
  • Blog Post: Want more control over Sent Items when using shared mailboxes?

    Whether a mailbox is used by multiple users as a collaborative tool or a communication gateway to customers, retaining a record of emails sent from a shared mailbox remains an important business requirement. In Exchange 2010, there was a way to configure this behavior , but we did not have this feature...
  • Blog Post: Managed Availability Responders

    Responders are the final critical part of Managed Availability. Recall that Probes are how Monitors obtain accurate information about the experience your users are receiving. Responders are what the Monitors use to attempt to fix the situation. Once they pass throttling, they launch a recovery action...
  • 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: Configuring Multiple OWA/ECP Virtual Directories on the Exchange 2013 Client Access Server Role

    We have previously published guidance for setting up multiple OWA and ECP virtual directories for Exchange Server 2007 and 2010, and now it is the turn of Exchange Server 2013. The eagle eyed amongst you may spot some copy and paste from previous blogs on the subject, and well frankly, you’d be correct...
  • Blog Post: Ask The Perf Guy: New Exchange 2013 Performance Guidance Available On TechNet

    I’m happy to announce that the Exchange performance virtual team within Microsoft Support has produced some fantastic new performance guidance content for Exchange 2013 users, and it is now available on TechNet at http://aka.ms/Ex2013PerfContent . This is a compilation of resources that we’ve previously...
  • Blog Post: A better way to recover a mailbox

    The process of recovering deleted users or mailboxes in a hybrid or cloud-only organization can be frustrating. When dealing with these scenarios, customers would sometimes end up with multiple mailboxes for a single user, find that some emails are missing, or even lose data associated with other services...
  • Blog Post: OWA Forms Based Auth Logoff Changes in Exchange 2013 Cumulative Update 9 – And Good News for TMG Customers

    Update - 2/9/15 : Since publishing this blog we made a decision to push one aspect of this change to CU9 to allow some partners a little more time to adapt to this new behavior. The new signout.aspx code is still shipping in CU8, but we are not changing to the new logoff behavior, that is sending the...
  • Blog Post: Using an Azure VM as a DAG Witness Server

    I’m happy to announce support for use of an Azure virtual machine as an Exchange 2013 Database Availability Group witness server. Automatic datacenter failover in Exchange 2013 requires three physical sites, but many of our customers with stretched DAGs only have two physical sites deployed today. By...
  • 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: How to Configure S/MIME in Office 365

    S/MIME in Office 365 S/MIME (Secure/Multipurpose Internet Mail Extensions) is a standard for public key encryption and digital signing of MIME data. Configuring S/MIME in Office 365 is a slightly different procedure than configuring S/MIME on-premises. This blog is for people who want to move from on...
  • 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: On-Premises Legacy Public Folder Coexistence for Exchange 2013 Cumulative Update 7 and Beyond

    What are we talking about today? In Exchange 2013 CU5 (yes 5, V, cinco, fem, and cinque) we started implementing changes to how Legacy Public Folder endpoint discovery will be performed by Outlook (for Windows) in the future. This work continues behind the scenes and will be completed with the release...
  • 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: 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: Introducing Microsoft Ignite – meet us in Chicago

    This morning on The Official Microsoft Blog , we revealed more details about our unified technology event for event for enterprises in May. The event will be known as Microsoft Ignite. If you are one of the many MEC conference alumni this is the conference for you. Microsoft Ignite is for Exchange customers...
  • 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: Those pesky lazy indices

    In Exchange 2013 there are indices within a given mailbox database. The indices are created, maintained, and deleted by the Information Store Worker Process associated with a given database. These indices are not to be confused with the Exchange content indexes that are built via the Search Foundation...
  • 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...