Tag: Windows Server 2012

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

  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 the following steps: 1) Log in to the primary Windows Server 2012 R2 DHCP server…

  jbernec

  January 29, 2015

  DHCP, DHCP Failover, DHCP High Availability, PowerShell, Powershell 4.0, Windows Server 2012, Windows Server 2012 R2

  DHCP, DHCP Custom Options, DHCP Failover, Error 20010, Failover, PowerShell 4.0, Windows Server 2012, Windows Server 2012 R2

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

  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 tricky because this was the last DC in the domain and had an Operations Master…

  jbernec

  January 13, 2014

  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

  Active Directory, Cmdlets, Powershell 3.0, Windows PowerShell, Windows Server 2012, WS 2012, WS2012 R2

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

  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 With Windows Server 2012, it’s been replaced by a suite of PowerShell cmdlets contained in the ADDSDeployment module. In this post, I’ll talk about my experience setting up a single WS2012 R2…

  jbernec

  January 6, 2014

  Active Directory, Active Directory Domain Services, AD Forest, PowerShell, PowerShell 3.0, Powershell 4.0, Windows Server 2012, Windows Server 2012 R2

  Domain controller, Domainname, PowerShell, Server, Windows PowerShell, Windows Server 2012

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

  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 Cluster Manager started displaying the following error: Cluster network name resource ‘Cluster Name’ failed registration…

  jbernec

  December 10, 2013

  Failover Cluster, Failover Cluster Manager, Hyper-v, Hyper-v 2012 R2, Windows Server 2012, Windows Server 2012 R2

  DNS, Failover, Failover Cluster Manager, Virtual Machine, Windows Server 2012