Tag Archives: Windows Server 2012

Configuring Windows Server 2012 R2 DHCP Failover with PowerShell and Resolving Custom Options Error 20010.

Posted on January 29, 2015 by jbernec

For the first time, WS 2012 R2 offers a true DHCP failover and load balance solution that works. After recently migrating to Windows Server 2012 R2 DHCP, I went a step further to configure failover to a partner server with … Continue reading →

Posted in DHCP, DHCP Failover, DHCP High Availability, PowerShell, Powershell 4.0, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , , | Leave a comment

Demoting the last Windows Server 2012 R2 Domain Controller with PowerShell.

Posted on January 13, 2014 by jbernec

As with promoting a server to domain controller, demoting the a domain controller is also a straight forward process with PowerShell. The following PowerShell cmdlets are available from the ADDSDeployment module: Uninstall Active Directory: The demote process got a little … Continue reading →

Posted in Active Directory, Active Directory Domain Services, AD Forest, DCPromo, Domain Controller, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , , , | 2 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 With Windows Server 2012, it’s been replaced by a suite of PowerShell cmdlets contained in the ADDSDeployment … Continue reading →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

Resolving Windows Server 2012 Failover Cluster Kerberos Security Issue – Invalid DNS Error

Posted on December 10, 2013 by jbernec

I’ve been running Windows Server 2012 Failover Cluster for about a year and it’s been stable up until now. Recently, I encountered an issue where Live migration of VMs failed across all hosts in the cluster. In addition, the Failover … Continue reading →

Posted in Failover Cluster, Failover Cluster Manager, Hyper-v, Hyper-v 2012 R2, Windows Server 2012, Windows Server 2012 R2 | Tagged , , , , | 6 Comments