M. Omer Siddiqui's Blog

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  • 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: Managed Availability Probes

    Probes are one of the three critical parts of the Managed Availability framework (monitors and responders are the other two). As I wrote previously, monitors are the central components, and you can query monitors to find an up-to-the-minute view of your users’ experience. Probes are how monitors obtain...
  • Blog Post: Improved CalCheck integration with OffCAT

    In the last week there have been two big improvements related to CalCheck and OffCAT that will make life a little easier when troubleshooting ‘calendar’ issues. 1. Relevant solutions for all CalCheck issues added to the following article: 2678030 Information about the Calendar Checking Tool for Outlook...
  • Blog Post: Microsoft Exchange 2013 and ADRMS Integration

    I recently did an Exchange 2013 deployment at one of our customers and also integrated with ADRMS so I thought to outline the high level integration steps to assist others. 1. Verify Exchange Servers in Microsoft Exchange Security Groups OU contain your Exchange servers. 2. Modify the default AD RMS...
  • Blog Post: Released: PelNet

    With the huge scale environment I currently work in my team has had some difficulty when it comes to validating customer transport changes, specifically when adding new send connectors or new smart hosts. The same goes for troubleshooting mail flow….you know…whip out good ole’ Telnet, check SMTP status...
  • Blog Post: The Preferred Architecture (Exchange 2013)

    During my session at the recent Microsoft Exchange Conference (MEC), I revealed Microsoft’s preferred architecture (PA) for Exchange Server 2013. The PA is the Exchange Engineering Team’s prescriptive approach to what we believe is the optimum deployment architecture for Exchange 2013, and one that is...
  • 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: Certificate Planning in Exchange 2013

    Now that we understand the load balancing and namespace planning principles and how clients connect in an Exchange 2013 environment that has Exchange 2007 and/or Exchange 2010 deployed, the proper certificates can be constructed and deployed as part of the upgrade process. Of course it goes without saying...
  • Blog Post: Exchange 2003 migration toolkit

    Microsoft Exchange Server 2003 entered the market on September 28, 2003 and continued the great messaging and collaboration experience that Microsoft Exchange Server had provided in previous releases. As we approach April 8, 2014, we want to inform users of Microsoft Exchange Server 2003 of the opportunities...
  • Blog Post: Load Balancing in Exchange 2013

    This article is part 2 in a series that discusses namespace planning , load balancing principles, client connectivity, and certificate planning. Load Balancing Unlike previous versions of Exchange, Exchange 2013 no longer requires session affinity at the load balancing layer. To understand this statement...
  • Blog Post: Released: Exchange Server 2013 Service Pack 1

    Exchange Server 2013 Service Pack 1 (SP1) is now available for download! Please make sure to read the release notes before installing SP1. The final build number for Exchange Server 2013 SP1 is 15.00.0847.032. SP1 has already been deployed to thousands of production mailboxes in customer environments...
  • 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: Exchange ActiveSync Guided Walkthrough

    Many users rely on their smart phones 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: Exchange 2013 database schema updates

    Recently, we have seen some questions about what the Update-DatabaseSchema cmdlet in Exchange 2013 is about. So I thought I would share some additional information on the subject. The Update-DatabaseSchema cmdlet is a part of the infrastructure that we’ve built into Exchange 2013 to safely upgrade database...
  • Blog Post: Cross Org Availability using Federation Trust and Organization Relationship

    Organizations often need to share availability (aka Free/Busy) information with other Exchange organizations. Depending on the version of Exchange Server you're on, there are different ways to do this. Let's take a look at three common scenarios and go through the exact steps required in order to achieve...
  • Blog Post: Exchange 2010 Database Availability Groups and Disk Sector Sizes

    These days, some customers are deploying Exchange databases and log files on advanced format (4K) drives.  Although these drives support a physical sector size of 4096, many vendors are emulating 512 byte sectors in order to maintain backwards compatibility with application and operating systems...
  • Blog Post: Comparing Google Apps and Microsoft Exchange

    Organizations today—more than ever—need adaptable and cost-effective communication tools. Microsoft Exchange helps achieve new levels of reliability and performance by delivering features that simplify administration, help protect communications, and delight users by meeting their demands for greater...
  • Blog Post: Microsoft Solution Accelerators

    Tools and guidance that help you solve your deployment, planning, and operational IT problems. They are free and fully supported. http://technet.microsoft.com/en-us/solutionaccelerators/default.aspx ?ocid=soc-n-SA-loc-services-omers What you can do with a Solution Accelerator Take advantage of cloud...
  • Blog Post: Download the Free Exchange 2010 Book

    Microsoft has released free guide for Microsoft Exchange Server 2010. You can download this guide from http://go.microsoft.com/fwlink/?LinkId=199004
  • Blog Post: Now Available: Exchange Server 2013 Deployment Assistant

    We’re excited to announce the availability of the Exchange Server 2013 Deployment Assistant at http://technet.microsoft.com/exdeploy2013 . The Exchange Deployment Assistant is a web-based tool that helps you deploy Exchange 2013 in your on-premises organization, configure a hybrid deployment between...
  • Blog Post: Released: Exchange Server 2013 Cumulative Update 3

    The Exchange team has announced the availability of our most recent quarterly servicing update to Exchange Server 2013. Cumulative Update 3 for Exchange Server 2013 and updated UM Language Packs are now available on the Microsoft Download Center. Cumulative Update 3 includes fixes for customer reported...
  • Blog Post: Released: Update Rollup 3 for Exchange 2010 Service Pack 2

    Microsoft has released Update Rollup 3 for Microsoft Exchange Server 2010 Service Pack 2 (SP2). This update is dated May 29, 2012. This article describes the following information about the update rollup: The issues that the update rollup resolves How to obtain the update rollup The prerequisites to...
  • Blog Post: Windows 7, Windows Server 2008 R2 SP1 and Exchange Server

    Is Exchange supported running on Windows Server 2008 R2 SP1? We wanted to let you know that we've completed testing with Windows 2008 R2 SP1 and the following versions of Exchange are supported to run on Windows 2008 R2 SP1 (the RTM version of SP1): Exchange 2010 SP1 Exchange 2010 RTM Exchange 2007 SP3...
  • Blog Post: Microsoft Exchange Server 2010 Disaster Recovery

    Although many of the new features in Exchange 2010 are redundant by design and have been designed in that manner, this does not negate the requirement for a reliable disaster recovery plan. The inherent features of Exchange 2010 will contribute toward maintaining high availability and in doing so provide...
  • Blog Post: Microsoft Exchange 2010 upgrade Test cases – Part 3

    I am writing a series of blog where I will guide you on test cases that should carry out when upgrading from either Exchange 2003 or Exchange Server 2007 to Exchange 2010. This blog is third of this series. Each blog will contain two or three test cases that will guide you on various testing conditions...