Mike O'Neill's TechNet Blog

Technology information from a Premier Field Engineer (PFE)

Mike O'Neill's TechNet Blog

  • The Grammar Police

    Putting on the grammar police hat for a minute, there is sometimes misunderstandings about the differences of premise vs. premises. Some definitions for clarity: prem·ise noun : a previous statement or proposition from which another is...
  • Life in a post 2003 world part 2

    That’s correct, as of July 13 th , 2015, one of the most popular Windows Server versions has reached the end of extended support lifecycle. Windows Server 2003 has transitioned out of extended support on 14th of July 2015 For a list of any...
  • Protect OU's from accidental deletion

    Here is a quick and easy one line PowerShell script to set all of the Organizational Units (OU's) in your Active Directory (AD) to protect from accidental deletion. I know others have posted similar information, but it never hurts to raise awareness...
  • Updated OffCAT v2

    The OffCAT team just unveiled the most exciting, capable, and modern version of the Microsoft Office Configuration Analyzer Tool. As with earlier versions of OffCAT, all you have to do is start your currently installed version to see the prompt to install...
  • Safety Net has a limit

    Exchange 2013 introduced another mechanism to help ensure that e-mail gets delivered to users: Safety Net . This feature creates a copy of all inbound messages cross site (by default, but configurable). Exchange stores the messages in yet another .edb...
  • RunAs Radio: Tips and Tricks

    I was interviewed on ‘RunAs Radio’ which was posted on March 4 th , 2015 with a 30 minute discussion about free tools for the IT professional. RunAs Radio is a weekly Internet Audio Talk Show for IT Professionals working with Microsoft...
  • Where is OMA?

    Some of you may ask, what is OMA? Back in the day, Exchange 2003, mobile devices were starting to make their way into the corporate world. Outlook Mobile Access (OMA) was introduced to help provide a small, thin foot print to mobile devices. You have...
  • RunAs Radio: Exchange blog site

    I was Interviewed on RunAs Radio on May 7th, 2014 with a 30 minute discussion about the Exchange Team Blog site and Exchange technology in general. RunAs Radio is a weekly Internet Audio Talk Show for IT Professionals working with Microsoft products...
  • Support for Exchange 2013 File Share Witness Server in Azure

    The Exchange product group has announced support for putting your Exchange 2013 File Share Witness (FSW) server in Azure . http://blogs.technet.com/b/exchange/archive/2015/01/09/using-an-azure-vm-as-a-dag-witness-server.aspx I think this is the...
  • Exchange 2013 impact on legacy OAB settings

    Much has been written about the new and changing ways OAB (Offline Address Book) generation in Exchange 2013 works: RTM process , CU5 process , and now CU7 process . However, I want to remind everyone of what happens when you go to install Exchange 2013...
  • Using PowerShell instead of cmd to keep a transcript

    Ok, so all of you that use Command Line (CMD.exe), it is probably time to stop and just use PowerShell. Now there is nothing wrong with cmd, as we’ve used it for many, many years. However, there is no transcript option available. Many of you...
  • Load Balancer design options

    As I visit companies, I run into many that are doing different designs when it comes to leveraging load balancers . I’m not a network engineer and there is just way too much information to present in one article, but here are some thoughts at a...
  • To archive or not to archive…

    This article is about choice and how ‘it depends’ for different environments. The philosophical question of how a roll of toilet paper should be placed on the roller; have the paper dispense over the top of the roll, or from below. Every...
  • Life in a post 2003 world

    That’s correct, as of April 8 th , 2014, several extremely popular Microsoft products have ended their extended support lifecycle. Outlook 2003 has transitioned out of extended support on 8th of April 2014 Exchange Server 2003 has transitioned...
  • No one received the certificate expiration notification!

    Exchange Certificates Prior to Exchange Server 2013, the Exchange application did not automatically notify administrators of a pending upcoming certificate expiring. One of the issues we administrators run into is expiring certificates. If the Exchange...
  • Outlook 2013 vs. OWA 2013

    I have had a few customers ask for a comparison table of the differences between Outlook (OL) 2013 and the Outlook Web App (OWA) 2013 experience. So here is a short, quick view into the comparison of OL vs. OWA. Outlook vs. OWA 2013 Comparison Table...
  • Pin virtual guests to specific physical hosts

    This is a common discussion, who should be in charge of High Availability (HA), the host virtualization operating system or the application? If you ask an electrician how to fix something, they’ll tell you to rewire it. If you ask a carpenter what...
  • Do you have Lingering Links in your AD?

    I had posted a blog about what happens if you do have Lingering Links in your environment about a year ago. The blog here appeared on the Exchange Blog Site . Now that I have my own blog site up and running, I just wanted to make reference to the article...
  • DAG DB’s flipping all the time randomly for no apparent reason

    I have run into this issue several times in the past few months and want people to be aware of this problem. In a DAG (Database Availability Group), if your databases are randomly mounting or flipping from one server to another, including across datacenters...
  • How to create consistent signatures and send them from other mailboxes

    I have recently created a description process on how to create signatures for Outlook, how to deploy them to many people at once, and for those users to be able to send from another mailbox. The article is now posted on the Exchange Team Blog Site with...
  • Migration from Exchange 2003 to 2013 a NO GO!

    Just over 40% of all EXRAP’s ( Exchange Risk Assessment Programs ) performed last year (2012) by Microsoft, involved Exchange 2003 servers. This means many companies are going to think about migrating from Exchange 2003 to 2013, and they'll ask...
  • Exchange 2013 co-existence is now supported

    Released today, Exchange 2013 RTM CU1 is now publically available for download . You can now co-exist with your Exchange 2007 SP3 RU10 and/or Exchange 2010 SP3 environment. You can also start to deploy and migrate users to the new Exchange 2013 platform...
  • Documentation made easy

    I’m going to tell you a way that you can make change management documents with ease, build ‘run documentation’ for your IT staff in seconds, generate user training articles effortlessly, and it’s all FREE! That’s right. Build...
  • First Post - Introduction

    Hello, my name is Mike O’Neill and I’m a Premier Field Engineer (PFE) working for Microsoft. I am currently working within the Messaging (Exchange) discipline but also work on Active Directory. I have the opportunity to visit many different...