Tag Archives: Domain controller

Implementing Azure Site Recovery Protection for my non-SCVMM Hyper-V Virtual Machines.

Posted on October 13, 2016 by jbernec

BCDR (Business Continuity and Disaster Recovery options) is a big deal for any I.T. Pro. My decision to go with with Microsoft Azure Site Recovery cloud service was easy after considering other options available to me, cost and the specific … Continue reading →

Posted in Azure Site Recovery, BCDR, Business Continuity, Disaster Recovery | Tagged , , , , , , , , , , , , , , , , , | 3 Comments

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

Using NTDSUTIL Metada Cleanup to Remove a Failed/Offline Domain Controller Object.

Posted on January 27, 2014 by jbernec

In this post, I would like to talk about using the ntdsutil utility for metadata cleanup. A domain controller failure ‘DC00’ recently occurred in my lab. Running the repadmin /replsum command confirmed a replication error and showed DC00 as unavailable: … Continue reading →

Posted in Active Directory, Active Directory Domain Services, AD Forest, DCPromo, Domain Controller, DSRM, Flexible Single Master Operations, FSMO, NTDSUtil, Windows Server 2008 R2, Windows Server 2008 R2 Backup, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , | 15 Comments

Configuring a Single Windows Server 2012 R2 Active Directory Domain Controller in a new Forest.

Posted on January 6, 2014 by jbernec

Pre-Windows Server 2012 and PowerShell 4.0, the primary tool/command for Active Directory Domain Controller promotion and demotion has always been the Dcpromo command. With Windows Server 2012, it’s been replaced by a suite of PowerShell cmdlets contained in the ADDSDeployment … Continue reading →

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

Deploying a Windows Server 2012 R2 Domain Controller in an existing Win2003 Functional Level Domain.

Posted on December 30, 2013 by jbernec

My first task before deploying a Windows Server 2012 R2 Domain Controller in a Windows Server 2003 forest functional level environment was to run the Test-ADDSDomainControllerInstallation cmdlet and determine my domain environment’s readiness to accept the new Windows Server 2012 … Continue reading →

Posted in Active Directory, Active Directory Domain Services, AD Forest, DCPromo, Domain Controller, DSRM, Flexible Single Master Operations, FSMO, NTDSUtil, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , , , , , , | 1 Comment

Seizing Active Directory FSMO (Flexible Single Master Operations ) roles with Powershell.

Posted on December 23, 2013 by jbernec

I have been running 2 Virtual Machines as Active Directory Domain Controllers in the Lab for sometime now. DC00 was running Windows Server 2003 R2 and DC01 is running Windows Server 2008 R2. But recently I lost a Hyper-v machine … Continue reading →

Posted in Active Directory, Active Directory Domain Services, AD Forest, Domain Controller, Flexible Single Master Operations, FSMO, NTDSUtil, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , , , | Leave a comment