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  • 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: Handling email viruses with Exchange Online

    When customers receive an email with a suspected virus, they often ask “ What do I do now? ” This blog post helps answer that question and guides you through our recommended process. This is intended for customers using Office 365 or Exchange Online Protection with on-premises Exchange servers. First...
  • Blog Post: Spam email and Office 365 environment - connection and content filtering in EOP

    In the last related blog post we gave some introduction about Exchange Online Protection (EOP), what needs to be done when EOP is not working as desired and spam email troubleshooting process and classification. In this blog we will be moving further and discussing some more advanced option to stop spam...
  • Blog Post: Important update available for Exchange Server 2013 hybrid deployments

    Update 8/26/14 : changed the resolution to include the release of Exchange 2013 Cumulative Update 6 (CU6). An important update is now available to resolve issues customers are currently experiencing when using the Hybrid Configuration Wizard (HCW) to create a new or manage an existing hybrid deployment...
  • Blog Post: Spam email and Office 365 environment - Overview

    I wanted to write a series of blog posts talking about email spam in Office 365. While majority of spam mail is blocked by the Office 365 mail security gateways, there are no perfect systems that will block 100% of spam all the time, some can still get through. In case that we do experience spam mail...
  • Blog Post: Developing with Office 365 APIs

    While we do not post about purely development subjects very often, I wanted to point you to a pretty cool post on the Exchange dev blog : Zapier’s Office 365 API Journey It may come as a surprise to some just how seamless it is to jump into leveraging Office 365 APIs. If this interests you, enjoy! Nino...
  • Blog Post: Modern Public Folder Scale Improvements and More

    Update: Scale improvements have been rolled out for Office 365 announced in 10x increase in Public Folder limits . It has been about two months since I was in Austin at my first Microsoft Exchange Conference. I must say Austin left quite an impression on me, partly because of the wonderful people...
  • 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: MEC 2014 Recordings are here!

    A few weeks ago we wrapped up MEC 2014 in Austin, TX with the farewell Austin post . Today we are happy to announce that the MEC 2014 keynote and breakout sessions are published on Channel 9. This includes the latest content on Exchange foundational topics and the latest features including groups, and...
  • Blog Post: Updated: Exchange Server Deployment Assistant

    We’re happy to announce updates to the Exchange Server Deployment Assistant ! These updates offer you more deployment options and outline new features that make deployments more flexible and easier to configure. We’ve updated the Deployment Assistant to include the following: Support for the Exchange...
  • Blog Post: How to publish Anonymous Calendar Sharing URL in Exchange Online or Exchange 2013

    Do your users want to share their calendar with anonymous users? Here's a tip related to sharing your calendar via a web link for anonymous users (users outside of your organization). Users can publish their calendar for anonymous viewers using OWA . Organization administrators can also publish a...
  • Blog Post: MEC 2014 wrap-up

    The bands are silent, the booths are dismantled, the R/C racecars are quiet, and Squeaky Lobster has left the building. Microsoft Exchange Conference 2014 is officially done. As we head home stuffed with Exchange knowledge and barbeque brisket, we thought we’d give you a brief photo sampling of the fun...
  • Blog Post: Bringing predictive email to the workplace

    This week at MEC, we’ve been talking a lot about the power of the Office graph, and how it helps us deliver personalized and proactive experiences for email users. As part of that journey, we’re excited to announce an advanced predictive email assistance feature coming to Exchange. This exciting...
  • Blog Post: MEC is Here!

    Greetings from downtown Austin, where Microsoft Exchange Conference (MEC) 2014 is now underway. Since attendees started rolling into town on Saturday, local bars and restaurants have been full of the sounds of Exchange: conversations about load balancing, debates about EAC vs. PowerShell, and tales of...
  • Blog Post: Mailbox Migration Performance Analysis

    When you're migrating on-premises mailboxes to Office365, there are a lot of factors that can impact overall mailbox migration speed and performance. This post will help you investigate and correct the possible causes by using the AnalyzeMoveRequestStats.ps1 script to analyze the performance of a...
  • 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: Data loss prevention in Exchange just got better

    With Exchange 2013, we released a new data loss prevention (DLP) capability based on deep content analysis that helps you identify, monitor, and protect sensitive information. We’re continually looking to expand our DLP capabilities, and today we’re bringing two new ones to you—Document Fingerprinting...
  • 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: Exchange Online Migration Guided Walk Through (GWT) released

    Challenge Over the last year, as more customers have gone down the path of Hybrid Migration, we have seen more questions and forum posts on the subject. When looking at the reasons for this, it seemed clear that customers are in need of some additional guidance on how and when to perform troubleshooting...
  • Blog Post: Geek Out with Perry is Back!

    Perry Clarke is back to geek out with you through his blog and the Geek out with Perry video series. In this edition , Perry is joined by a new co-host, Julia White to discuss what it looks like to run a secure service in Exchange Online. The discussion covers the investments in the data center as...
  • Blog Post: Office 365 URL based filtering is just better and easier to sustain

    One of the requirements for properly integrating with Microsoft Office 365 is to ensure that your clients and (in some instances such as hybrid Exchange) servers have access to all of the proper endpoints. To achieve this, most customers simply allow their clients internet access and there is no outbound...
  • Blog Post: MEC Check: Are You Registered?

    Just 8 ½ weeks until the Microsoft Exchange Conference 2014 kicks off in Austin, Texas! We’re putting the finishing touches on sessions, speakers, content, parties, and all of those wonderful and quirky touches that make MEC different from any other conference. If you haven’t registered...
  • Blog Post: EHLO Again! The Exchange Team Blog Defined

    Update 3/5/2014: Added a note about anonymous comment moderation. It’s been a while since we posted something related to intent and operation of this blog. Since our first post in 2004 , we have worked hard to give you the latest news and upcoming details about various versions of Exchange that...
  • Blog Post: Extending Message Trace to 90 days in Exchange Online

    Message trace enables administrators to trace email messages as they pass through Exchange Online or Exchange Online Protection (EOP) service. It helps you determine whether a message was received, rejected, deferred, or delivered by the service. You’ve told us that you need to be able to trace messages...
  • Blog Post: In Deployment: Directory Based Edge Blocking for Exchange Online Protection

    What is Directory Based Edge Blocking? The Directory Based Edge Blocking (DBEB) feature in Exchange Online Protection (EOP) lets you reject messages for invalid recipients at the service network perimeter. DBEB lets admins add mail-enabled recipients to Azure Active Directory and block all messages...