Mike O'Neill's TechNet Blog

Technology information from a Microsoft Senior Premier Field Engineer (PFE)

Blog moving

This blog site is moving to a new URL location: https://mikeoneill.blog/ Thank you for following and...

Author: Mike_O'Neill Date: 10/01/2018

Get-NetConnectionProfile for Windows 7

As customers are still working with Windows 7 and PowerShell (PS) versions before 3.0, sometimes...

Author: Mike_O'Neill Date: 07/16/2018

FieldNote: Scanned firewall, found TCP ports open: 25, 80, 443

One time, I had a phone call from the ISP for the company I was working at and they said they did a...

Author: Mike_O'Neill Date: 07/09/2018

Buying a car

What? Why are talking about buying a car? I was at lunch the other day with some engineers and we...

Author: Mike_O'Neill Date: 07/04/2018

FieldNote: Palm pilot double side taped to server

An IT staff member found a Palm Pilot stuck to the underside of a server. It was held there with...

Author: Mike_O'Neill Date: 06/25/2018

Exchange Server 2010 with Window Server 2016 Domain Controllers

I recently wrote a blog post, and have since updated it, about the Exchange supportability matrix,...

Author: Mike_O'Neill Date: 06/19/2018

DAG’s spread across multi-domains?

Q: Can you spread an Exchange DAG (Database Availability Group) between two domains? A: No. Now the...

Author: Mike_O'Neill Date: 06/18/2018

PowerShell thought process

One important aspect of leveraging PowerShell is to adjust your mindset. Listed are some topics to...

Author: Mike_O'Neill Date: 06/11/2018

Free Azure Student Accounts

Q: I’m a student and don’t have access to a credit card, but I want to learn about cloud computing...

Author: Mike_O'Neill Date: 06/04/2018

Denver based PowerShell user group

User groups are a fantastic way to meet up with people that share similar interests. We have setup...

Author: Mike_O'Neill Date: 05/28/2018

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...

Author: Mike_O'Neill Date: 05/21/2018

What to name your DAG?

Was helping a customer the other day and the topic of what to name your DAG (Exchange Database...

Author: Mike_O'Neill Date: 05/14/2018

Compare Outlook 2016, Outlook on the web, and Outlook for iOS & Android

I had posted an article a while ago comparing Outlook 2013 to OWA 2013. The O365 team has now...

Author: Mike_O'Neill Date: 05/07/2018

Denver based PowerShell user group

User groups are a fantastic way to meet up with people that share similar interests. We have setup...

Author: Mike_O'Neill Date: 04/30/2018

No more OffCAT

If you didn’t see the news on the Exchange team blog site, OffCAT (Office Configuration Analyzer...

Author: Mike_O'Neill Date: 04/23/2018

Controlling bandwidth in a DAG reseed

Q: Is there a way to control bandwidth within a DAG (Database Availability Group) during a reseed...

Author: Mike_O'Neill Date: 04/16/2018

Exchange Server important dates

Just a reminder, Exchange Server 2010 and 2013 versions have some important dates coming up:...

Author: Mike_O'Neill Date: 04/12/2018

Exchange 2010 and Windows 2016 DC's

Q: Can you run Exchange Server 2010 with Windows Server 2016 Domain Controllers? A: NO. YES! Update,...

Author: Mike_O'Neill Date: 04/09/2018

Microsoft Tech Talks - Azure Identity: Who Am I in the Cloud

In this session, we’ll be discussing various topics and concepts about identities within Microsoft...

Author: Mike_O'Neill Date: 04/02/2018

Denver based PowerShell user group

User groups are a fantastic way to meet up with people that share similar interests. We have setup...

Author: Mike_O'Neill Date: 03/26/2018

Exchange Server: Third Month, Third Week

Just a reminder, the Exchange Product Group (PG) is following the current cadence of releasing...

Author: Mike_O'Neill Date: 03/19/2018

Can you skip CU’s?

The question isn’t can you but should you. What’s a CU? Starting with Exchange Server 2013, the...

Author: Mike_O'Neill Date: 03/12/2018

Denver PowerShellers User Group

User groups are a fantastic way to meet up with people that share similar interests. We have setup...

Author: Mike_O'Neill Date: 03/05/2018

FieldNote: Secure password in file?

Sometimes you must store a password for an account in a PowerShell script file. One option is to...

Author: Mike_O'Neill Date: 02/26/2018

To stay hybrid or not to stay hybrid…

That is the question and the answer is: It depends, but most like yes. You need to ensure that you...

Author: Mike_O'Neill Date: 02/23/2018

Spam notification message

I’ve run into this a couple of times now with customers, consequently thought I’d finally get around...

Author: Mike_O'Neill Date: 02/19/2018

Exchange Hybrid Duplicate Mailboxes

Some customers have seen where they can end up with a duplicate mailbox within their hybrid...

Author: Mike_O'Neill Date: 02/12/2018

One stop page for Outlook updates

It’s getting harder and harder to stay up with all the changes in technology, but once in a while, a...

Author: Mike_O'Neill Date: 02/06/2018

Compliance Manager Preview

The new Compliance Manager (CM) within O365, helps organizations meet compliance obligations like...

Author: Mike_O'Neill Date: 01/29/2018

Exchange online preservation policy summary

I love the cloud, yet sometimes it is not easy to keep up with the ever-changing topology. With the...

Author: Mike_O'Neill Date: 01/25/2018

PowerTip: Removing calendar events from a mailbox

Summary: Remove calendar events within an Exchange online mailbox. (Re-post from a Hey Scripting...

Author: Mike_O'Neill Date: 12/15/2017

Exchange Server 2019 Announced

It’s official, Exchange Server 2019 will be released! This will be an on premises deployment for...

Author: Mike_O'Neill Date: 10/01/2017

Exchange September 2017 updates

I don’t normally just repeat blog posts from other groups, but I felt this one was important to make...

Author: Mike_O'Neill Date: 09/20/2017

Dynamic Distribution Groups, Distribution Groups, and Exchange hybrid

I recently ran into a customer that uses: Distribution Groups (DG), leverage Dynamic Distribution...

Author: Mike_O'Neill Date: 06/27/2017

Runas Radio

I was interviewed on ‘RunAs Radio’ which was posted on May 24th, 2017 with a 30-minute discussion...

Author: Mike_O'Neill Date: 05/27/2017

Download Ignite

Did you miss Microsoft’s Ignite 2016? Guess what, you can download all PowerPoint files and videos....

Author: Mike_O'Neill Date: 10/06/2016

Exchange Online - Aggressive Termination script

As more and more customers migrate Exchange on premises data to Exchange online, there are some...

Author: Mike_O'Neill Date: 08/05/2016

Shared Mailboxes in Exchange Hybrid now work cross premises

Shared mailboxes within an Exchange/Office 365 hybrid environment are now fully functional using...

Author: Mike_O'Neill Date: 03/20/2016

Health Checker .ps1 for Exchange

Mark Nivens created this HealthChecker.ps1 file for Exchange servers for your on premises...

Author: Mike_O'Neill Date: 03/07/2016

Grammarman to the rescue.

I thought I would share this cartoon to help lighten the conversation when people incorrectly use...

Author: Mike_O'Neill Date: 03/06/2016

Check for .Net version script

I was helping a customer install Exchange 2016 this week and they completed a base Windows Server...

Author: Mike_O'Neill Date: 02/27/2016

.NET 4.6.1 not yet for Exchange

Just a reminder, the Exchange team blog site posted an important message about NOT installing .NET...

Author: Mike_O'Neill Date: 02/12/2016

TechMentor: Las Vegas

Welcome to the New Year! I’ll be speaking at TechMentor, March 7-11, 2016 in Las Vegas....

Author: Mike_O'Neill Date: 01/01/2016

O365_Logon Module

I created this PowerShell module to help O365 Administrators sign into the their online tenant...

Author: Mike_O'Neill Date: 11/30/2015

O365_Installs_Connections.ps1

This script simplifies IT administrators installs for all of the required additional...

Author: Mike_O'Neill Date: 11/30/2015

SharePoint Online Management Shell

The SharePoint Online Management Shell has a new Windows PowerShell module that lets O365...

Author: Mike_O'Neill Date: 11/30/2015

Exchange AD Deployment site

When installing a brand new Exchange server, there are several actions that you should consider. One...

Author: Mike_O'Neill Date: 11/28/2015

Live! 360 Event in Orlando

I’ll be speaking at Live! 360 Orlando, November 16-20. Surrounded by your fellow industry...

Author: Mike_O'Neill Date: 11/11/2015

The Grammar Police

Putting on the grammar police hat for a minute, there is sometimes misunderstandings about the...

Author: Mike_O'Neill Date: 08/17/2015

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