Schema Administrator has a mailbox?

Q: Why does the Schema Admin have a mailbox? A: It’s by design! What? Yes, this is normal behavior for Exchange Server 2013 & 2016.  If the account you are using for the install does not have a mailbox, one will be created for that account. Typically, engineers will use an Active Directory (AD) account…

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Exchange 2010 and Windows 2016 DC’s

Q: Can you run Exchange Server 2010 with Windows Server 2016 Domain Controllers? A: NO. The Exchange supportability matrix is once again, used as a reference and once again, you must be very clear on what you are reading. Since there is NOT an ‘x’ in the intersection of Exchange 2010 and Windows DFL/FFL 2016…

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Exchange AD Deployment site

When installing a brand new Exchange server, there are several actions that you should consider. One of them is that the process will go smoother if you use an Active Directory deployment site design option. By leveraging an Exchange deployment site, you can help minimize the overall impact of introducing a new Exchange server into…

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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 of this setting. And also, since I run into many customers that do…

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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 high level design I’d like to share. TCP ports 80/443. In…

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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 as in the field, I…

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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 companies in my profession. While I may not post a lot of blogs here, I do plan…

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