Tag: Active Directory

Exchange needs Active Directory

I was recently called into help on a ‘Crit Sit’ (Critical Situation) that a customer had with their Exchange 2010 environment. During the previous night, a few of the Databases that have a total of 3 copies spread across a DAG flipped to different servers. This ultimately was caused by Exchange asking AD a question

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 with a mailbox when

DAG’s spread across multi-domains?

Q: Can you spread an Exchange DAG (Database Availability Group) between two domains? A: No. Now the story: Say you have a single forest named: Contoso.com. In that forest, you have two child domains: East.Contoso.com and West.Contoso.com. You also have Exchange servers deployed in both East and West domains, but none in the root domain. Is it possible to host some

The Lingering Object Liquidator (LOL)

There is a tool that helps you identify Lingering Objects in an Active Directory environment. It is the Lingering Object Liquidator, or LOL for short. A description from the download site: Lingering Object Liquidator automates the discovery and removal of lingering objects from an Active Directory Domain Services forest. The tool uses the DRSReplicaVerifyObjects method

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 still find customers

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

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 Exchange 2013, we