Active Directory Sizing for Exchange

It is easy to dismiss the sizing of your Active Directory infrastructure simply based on CPU and RAM resource consumption; the resources generally appear to have minimal usage. However, Active Directory [Domain Services] is a little more complicated than that and Exchange Server is the canary in the coal mine, so to speak. There are … Continue reading Active Directory Sizing for Exchange

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An Overly Aggressive Security Posture?

It is quite easy for security professionals to get aggressive with introducing controls into systems. I should know, I have worked with so many and I hold a CISSP, myself. But the overall intent of security is to make sure that systems are available for legitimate purposes. The old notion that the only secure system … Continue reading An Overly Aggressive Security Posture?

Installing a New Domain Controller with Windows Server 2012 R2 Server Core

https://youtu.be/tSdigf4cEqg   In this video, I demonstrate how to: 1. Utilize PowerShell to rename the computer and configure network settings 2. Utilize PowerShell to join a Windows Server 2012 R2 Server Core system to a domain 3. Utilize PowerShell to install the appropriate components to support Active Directory Domain Services and DNS, and become a … Continue reading Installing a New Domain Controller with Windows Server 2012 R2 Server Core

Moving an AD User from One Group to Another via PowerShell

This week I had a request that seemed rather simple.  Given a CSV file containing the User Principal Name of the user, determine if the user is a member of a specific Active Directory group, remove it, and add it as a member to another specific Active Directory group.  I am not sure of what … Continue reading Moving an AD User from One Group to Another via PowerShell