Category Archives: Active Directory Domain Services

Remove Active Directory Domain Services (ADDS) from a WS2012 R2 with PowerShell.

Posted on August 12, 2017 by jbernec

I decided to tear down my Azure Lab IaaS and ASR infrastructure and rebuild it. The process involves removing the ASR configurations, Recovery Vaults, S2S VPNs, VNets and Azure VM running as a Azure based Domain controller for resilience with … Continue reading →

Posted in Active Directory, Active Directory Domain Services, Azure, Azure Site Recovery, Azure VPN, DCPromo, Domain Controller, FSMO, Microsoft Hyper-v, PowerShell, Powershell 4.0, Windows Server 2012 R2 | Tagged , , , , , , , , | 1 Comment

Deploy WS2012R2 AD Domain Controller in Azure-OnPrem Hybrid Environment using Resource Manager (IaaS) Virtual Machine.

Posted on November 16, 2016 by jbernec

As part of the process of extending my on premise infrastructure environment to Microsoft Azure, I have configured the Azure S2S VPN, an Azure Virtual network and other Azure based components within an ARM resource group to facilitate the implementation … Continue reading →

Posted in Active Directory Domain Services, AD Forest, Azure, Azure VPN | Leave a comment

PowerShell Script to Bulk Update UPN (UserPrincipalName) Suffix in a Single Non-Routable Domain.

Posted on December 9, 2015 by jbernec

As part of the Office 365 Configuration and migration project, we’ve had to define and create an alternate upn (UserPrincipalName) suffix for an internal Active Directory domain that is not publicly routable. Updating the upn for every user in the … Continue reading →

Posted in Active Directory Domain Services, Office 365, PowerShell, PowerShell 3.0, Powershell 4.0, Script, Scripts, Windows Server 2008 R2 Backup, Windows Server 2012 R2 | Tagged , , , , , , , , , | Leave a comment

Create a UPN Suffix using PowerShell for Office 365 Migration.

Posted on November 18, 2015 by jbernec

In preparation for Office 365 migration, we had to match the current on premise users’ logon name (UserPrincipalName) with their email addresses to eliminate any user confusion and ease the outlook authentication process .As an example, The on premise logon … Continue reading →

Posted in Active Directory, Active Directory Domain Services, Azure Windows PowerShell, Office 365, PowerShell, PowerShell 3.0, Powershell 4.0 | Tagged , , , , , | 4 Comments

Raising Active Directory Forest and Domain Functional Levels Using PowerShell.

Posted on November 10, 2015 by jbernec

As part of the infrastructure clean up and upgrade plans, we have decided to raise the DFL and FFL of our domain to take advantage of new Windows Server features. The first step in the process is making sure all … Continue reading →

Posted in Active Directory, Active Directory Domain Services, Active Directory Replication, AD Forest, Domain Controller, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2, Windows Server 2008 R2 Backup | Tagged , , , , , | Leave a comment

Simple PowerShell Script displays Total and Available Memory .

Posted on November 10, 2015 by jbernec

This script is an update to a previous post. In addition to displaying total and available disk space, it will also show the available memory at any given time for a server within a domain infrastructure. It has come in … Continue reading →

Posted in Active Directory Domain Services, AD Forest, Hyper-v, Hyper-v 2012 R2, PowerShell, PowerShell 3.0, Powershell 4.0, Script, Scripts, Windows Server 2012 R2 | Tagged , , , , , , | Leave a comment

Configuring Azure AD Sync Attribute Filtering.

Posted on April 14, 2015 by jbernec

So I’ve been playing with AADSync attribute filtering. So far we have successfully filtered our lab Azure AD sync by Domain and Organizational Unit. It appears that group membership based filtering is not supported with this version. But according to … Continue reading →

Posted in Active Directory, Active Directory Domain Services, AD Forest, Azure Windows PowerShell, Office 365, PowerShell | Tagged , , , , , | 2 Comments

PowerShell Script Monitors Security Logs and Sends Email Alerts.

Posted on November 12, 2014 by jbernec

I wrote this PowerShell script to send email alerts when Active Directory User Account, Security and Distribution Group Management events occur in the Security logs.A few parameters will need to be edited to adapt the script to any Active Directory … Continue reading →

Posted in Active Directory, Active Directory Domain Services, Audit Logs, Domain Controller, Event Logs, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2 Backup, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , | 3 Comments

Configuring Active Directory Time using the W32TM Utility.

Posted on May 13, 2014 by jbernec

Active Directory domain time in my lab domain has been off by a few minutes of UTC time for a while now. Resetting time across an Active Directory domain is a straight forward process using the W32tm command line tool. … Continue reading →

Posted in Active Directory, Active Directory Domain Services, Active Directory Time, AD Forest, Domain Controller, PowerShell | Tagged , | 1 Comment

Setting Up a WS2012 R2 Windows Deployment Server (WDS) for Pre-Boot Execution Environment (PXE).

Posted on February 11, 2014 by jbernec

In this post I want to quickly go through my experience setting up a Windows Deployment Server for PXE Boot(Pre-Boot Execution Environment) for my lab servers. Platform is Windows Server 2012 R2 .I outline the steps as follows: 1) Open … Continue reading →

Posted in Active Directory, Active Directory Domain Services, DHCP, PowerShell, PowerShell 3.0, Powershell 4.0, Pre-Boot Execution Environment, PXE, Virtual Machines, WDS, Windows Deployment Server, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , | 1 Comment