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  • 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 ActiveSync Guided Walkthrough

    Many users rely on their smartphones and other mobile devices to access their email and calendar using Exchange ActiveSync (EAS). Any issues with mobile device access and EAS are noticed and reported immediately and a solution is expected just as quickly. To assist you in troubleshooting EAS issues...
  • Blog Post: Video: Securely publishing Exchange 2003 OWA using ISA Server 2004

    Harold Wong recorded a short (16 minute) screencast to walk through the necessary steps to publish Exchange 2003 via Outlook Web Access (OWA) to the Internet (a single Exchange Server) using ISA 2004. Check it out here: http://msexchangeteam.com/videos/9/owamobility/entry427651.aspx - The Exchange...
  • Blog Post: A script to troubleshoot issues with Exchange ActiveSync

    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...
  • Blog Post: Exchange 2003 - Active Sync reporting

    We have received a lot of feedback recently about your need to better understand the usage of your Exchange 2003 ActiveSync (EAS) deployment. With all of the great features built into EAS, it’s important for you as an IT Professional to know the volume and usage patterns of your deployment. This information...
  • Blog Post: Generate some advanced ActiveSync Server usage stats using IIS Logs

    As you all would expect, Exchange Server ActiveSync (EAS) requests get recorded in the IIS logs by default at “%windows%\system32\LogFiles\W3SVC1”. What you may not know is that EAS does extend the standard log by adding some custom fields. These fields are provided with the goal of enabling usage analysis...
  • Blog Post: Configure certificate-based authentication for Exchange ActiveSync

    Note: Exchange Server 2013 Cumulative Update 5 and later supports certificate-based authentication with ActiveSync. In previous posts, we have discussed certificate based authentication (CBA) for Outlook Web App, and Greg Taylor has covered publishing Outlook Web App and Exchange ActiveSync (EAS)...
  • Blog Post: iPhone 2.0; Welcome to Exchange!

    If you've not heard; Apple released iPhone 2.0 today which includes a software update to the existing iPhones in the market (yes, we mentioned it when it was announced as well). We're thrilled to add them to the family of Exchange ActiveSync licensees that enable all sorts of devices to connect to Exchange...
  • Blog Post: More mobility news!

    Max mentioned that I would be posting more news from 3GSM next week... well, I am starting a little earlier. Our friends at DataViz sent me an email letting me know that RoadSyncv2 is now available. You can find more info here: http://www.dataviz.com/solutions/enterprise/roadsync/index.html This means...
  • Blog Post: How Exchange 2007 CAS Proxying works for ActiveSync

    As a last part in my series of posts covering Exchange 2007 CAS Proxying and Redirection (see previous posts here and here ) - I wanted to cover Proxying for ActiveSync. There are three steps involved in handling a request: Determining whether to proxy a given request Proxying the request Causing the...
  • Blog Post: Direct Push is just a heartbeat away

    EDIT 10/02/1008: We have updated the section on compatibility of Direct Push and Wi-Fi . Background Exchange 2003 introduced the Always Up To Date notification feature (AUTD) that kept devices up to date by sending SMS triggers to the device. The triggers were sent from the enterprise as...
  • Blog Post: Firewall Timeouts and Direct Push

    Web servers, network security appliances, and system network stacks have a number of time-based thresholds that are intended to insulate these systems from buggy or malicious clients. For example, a denial-of-service (DoS) attack could be mounted by failing to complete the handshake that is implicit...
  • Blog Post: Steps to manually recreate the sync relationship on mobile devices synchronizing with Microsoft Exchange Server

    Steps to manually recreate the sync relationship on mobile devices synchronizing with Microsoft Exchange Server In some troubleshooting scenarios, users may need to rebuild and resynchronize their partnership manually. In previous versions of Microsoft Exchange Server, if you moved your mailbox...
  • Blog Post: More fun with Logparser and Exchange logs

    Right now there is no easy way to tell who is using Entourage, RPC/HTTP (Outlook Anywhere), Exchange ActiveSync, or OWA with what frequency.  I have found Logparser to be very helpful in answering a lot of these questions.  The tool is a bit intimidating to get started but once you get the...
  • Blog Post: On Exchange ActiveSync and our partners

    Hello, I am Ed Hott, the Director of Business Development for Microsoft Exchange with primary responsibility for the Exchange ActiveSync (EAS) protocol licensing. There have been a few questions recently around our work with partners in licensing the ActiveSync protocol so I want to provide some information...
  • Blog Post: How Exchange Server ActiveSync (EAS) scales for us

    This afternoon I received the Exchange Server ActiveSync (EAS) usage statistics for the month of November. Our friends at MS IT told me that our internal user base is growing: we are at about 7000 unique users at Redmond!!! These users were served about 900,000 connections. Woah! Some may think that...
  • Blog Post: Maintaining ActiveSync access to Exchange 2003 mailboxes after deployment of Exchange Server 2007 CAS role

    EDIT: this post was edited on 9/25/2007 to clarify information related to the hotfix mentioned in KB 937031 . Thanks to Vanitha for the edit! As we mention in Exchange 2007 documentation , the first server role that should be upgraded when migrating to Exchange Server 2007 is the Client Access Server...
  • 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: Solving the Phone Synchronization Problem End-to-End

    (or, The Design of Exchange Direct Push in Exchange 2003 SP2) Background I bought my first cell phone in the summer of 2000 – the venerable Nokia 5160. With the attendant giddy excitement of a new consumer electronics purchase, I started adding names and numbers to the addressbook on the phone...
  • Blog Post: What is the Exchange ActiveSync Up-to-date feature and how does it work?

    One of the new features in Exchange 2003 is Exchange ActiveSync. Exchange ActiveSync allows you to synchronize your Windows Mobile 2003 Device with your Exchange mailbox over a wireless network without having to cradle the device . The Up-to-date (UTD) feature notifies the device if there is a new item...
  • Blog Post: More on Exchange ActiveSync Reporting with Log Parser - COM object available

    We recently posted details on how to use Log Parser to parse out Exchange ActiveSync (EAS) information to produce helpful reports that can give you a better idea of the usage load of your EAS deployment. In that blog we relied solely on LogParser using the IISW3C input format and your IIS Logs. ...
  • Blog Post: Exchange 2003 SP2

    Hi, I’ve hopefully met many of you at TechEd, IT Forum, or another Exchange community event – but if not, I hope to meet you there soon and I’ll introduce myself now to get it out of the way. I’m the General Manager of the Exchange product team. I’ve been a member of the Exchange team for 4 years...
  • Blog Post: Want to help us gear up for Exchange "12" Unified Messaging and Mobility release?

    Here is a great opportunity for few "right" customers. If you might be interested, please respond to "michael DOT liu AT microsoft DOT com" and I will set up a call with you to go through details. The Exchange team is currently recruiting our best global brand name customers with an interest in Unified...
  • Blog Post: Exchange 2003 OWA and URL redirection

    Someone recently asked why OWA rewrites external links in messages to go through redir.asp. For example, if you receive an HTML message with an embedded link to http://www.microsoft.com , OWA will actually rewrite the link to point to http://exchangeserver/exchweb/bin/redir.asp?URL=http://www.microsoft...
  • Blog Post: Overview of Exchange Server 2007 CAS Proxying and Redirection

    In a Microsoft Exchange Server 2007 organization, a computer that is running Exchange 2007 that has the Client Access Server role installed can act as a proxy for other Client Access Servers within the organization. This is useful when multiple Client Access Servers (CAS) are present in different Active...