Mike O'Neill's TechNet Blog

Technology information from a Premier Field Engineer (PFE)

Mike O'Neill's TechNet Blog

  • 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...