download readme It’s been a long road, but the initial release of the Exchange 2013 Server Role Requirements Calculator is here. No, that isn’t a mistake, the calculator has been rebranded.  Yes, this is no longer a Mailbox server role calculator; this calculator includes recommendations on sizing...

Since the release to manufacturing (RTM) of Exchange 2013, you have been waiting for our sizing and capacity planning guidance. This is the first official release of our guidance in this area, and updates to our TechNet content will follow in a future milestone. As we continue to learn more from our...

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...

Windows 8 and Windows RT include a built-in email app named Mail (also referred to as Windows 8 Mail or the Windows 8 Mail app ). The Windows 8 Mail app includes support for IMAP and Exchange ActiveSync (EAS) accounts. This article includes some key technical details of the Windows 8 Mail app. Use...

Update 11/28/12 : we wanted to let you know that the UAG team has published a blog post around availability of SP3 which will include Exchange 2013 publishing. Now that Exchange Server 2013 is available, some of you may well be wondering how to publish it to the Internet using Microsoft Threat Management...

Have you ever gotten a call from someone you know whose Outlook client is having trouble connecting to their email server? Don’t you just wish you had a tool that you could send to them that would walk them through a connectivity test and provide a simple way for them to send the results back to you...

OAB History Offline Address Books, fondly referred to as OAB s, are a critical component in Exchange infrastructure for a long time now. An OAB is used by Microsoft Outlook clients in Cached Exchange Mode for address book lookups when offline. OABs are also critical in reducing the workload on Exchange...

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...

We are happy to announce improvements to the Remote Connectivity Analyzer CAPTCHA experience.  Several of you told us how frustrating the previous experience was to use.  And we agree… it was very annoying to have both password fields get blanked out if you got the challenge incorrect. ...

Nearly two years ago, I presented a session called High Availability Design Considerations at TechEd North America 2010. During my session I described the changes we were making around how MAPI connectivity should occur after mailbox moves and cross-site database *over events. Unfortunately, after I...

Recently, customers who use Outlook Web App (OWA) have been raising the topic of web app accessibility as a top priority. One reason for all the buzz about web application accessibility is due to a standard produced by the W3C called ARIA ( Accessible Rich Internet Applications ). While the standard...

Welcome back! In Demystifying the CAS Array Object - Part 1 we covered these three items to begin demystifying the CAS array object in Exchange Server 2010. A CAS array object does not load balance your traffic A CAS array object does not service OWA, ECP, EWS, Autodiscover, IMAP, SMTP, or POP...

Since its release in 2009, the interest in Exchange 2010 has been fantastic. While working with customers to educate them and prep them for moving to Exchange 2010, we've uncovered some common misconceptions. One trend has to do with misconceptions around the Client Access Server array object, or CAS...

ActiveSyncReport script Download The Exchange support team relatively frequently receives cases where mobile devices using Exchange ActiveSync (EAS) protocol send too many requests to Exchange server resulting in a situation where server runs out of resources, effectively causing a ‘denial...

Update 4/26/11: This post has been updated to include additional steps to ensure Kerberos authentication can be used for OAB downloads by domain-connected Outlook clients. With Exchange 2010, a major change was instituted in the way clients connect and access mailbox related data. Unlike previous versions...

The Availability service improves information workers' calendaring and meeting scheduling experience by providing secure, consistent, and up-to-date free/busy information. By default, this service is installed with Microsoft Exchange Server 2007. In cross-forest topologies where all connecting client...

We recently updated our maximum item count guidance for Exchange 2007 when IMAP clients are being used. As a result, I've gotten a number of questions about the reasons for the change. Hopefully this post will help to answer those questions. In Exchange 2007, the product went through some major architectural...

I am very pleased to let you all know that in response to your feedback we are adding support for User Datagram Protocol (UDP) notification functionality back into Microsoft Exchange Server 2010. While Outlook 2010 is the best way to experience all that Exchange 2010 has to offer, you have been very...

The History Historically, when an administrator moved an Exchange 2010 mailbox from one database to another, the user's Outlook client would present them with a message stating: The Exchange administrator has made a change that requires you quit and restart Outlook. Only after restarting Outlook...

A while back we published an article explaining the support constraints that surrounded deploying Exchange 2007 with multiple Outlook Web App (OWA) Virtual Directories (see here http://msexchangeteam.com/archive/2008/01/07/447828.aspx ) and as this idea seems to come up more and more frequently, we wanted...

The last in the series of papers I wrote in this general area has just been published and is available here . This one details the configuration you need when you want to have Outlook Anywhere use NTLM authentication when published through TMG or UAG. Why would you ever want to do this? Well, if your...

A few months ago we published a Whitepaper detailing the steps required to securely publish Exchange to the Internet using TMG and UAG. (That document has recently been updated by the way, and the newest version is available here White Paper - Publishing Exchange Server 2010 with Forefront ). At the...

To enable cross organization/premise Free/Busy lookup for users located on Exchange 2007 servers when there is an organization relationship in place with the business instance of the Microsoft Federation Gateway (default instance for Exchange 2010 SP1) it is necessary to add the availability address...

What is the Allow/Block/Quarantine list? In Exchange 2010 we added a feature called the Allow/Block/Quarantine list (or ABQ for short). This feature was designed to help IT organizations control which of the growing number of Exchange ActiveSync-enabled devices are allowed to connect to their Exchange...

Last year, we announced the Exchange Remote Connectivity Analyzer and usage continues to grow as people become aware of this web site. Today, we are releasing a new version which will help us reach an even wider audience... We now support 10 additional languages! Here is the list of all the languages...