Domain Controller Upgrade 2008 R2 To 2019

As you might have noticed windows server 2008 r2 windows server will reach its end of support on january 14th 2020.

Domain controller upgrade 2008 r2 to 2019. My lab contains two domain controllers dc01 and dc02 running windows server 2008 r2 with the dns and active directory roles. I am setting up the new server running windows server 2019 standard but i am having trouble finding relevant documentation. If you haven t done so already you should upgrade your systems to a newer os.

Upgrade in place is not the recommended method to upgrade a domain controller it is recommended to promote a domain controller on a new server windows 2019 then demote the old one. Now that microsoft is ending support for server 2008 r2 in late january we are replacing our one and only network server installed in 2011. After you demote your last domain controller running with windows server 2008 we can raise domain and forest functional level to windows server 2016 windows server 2019 is the same.

In my particular case i m upgrading a windows server 2012 r2 installation to windows server 2019 and this server is also one of two domain controllers on the network. When we previously replaced the server in 2011 from an old machine running server 2003 standard to 2008 r2 microsoft helpfully. This migration guide will help you do that.

In this post i ll outline a checklist of an active directory 2008 r2 upgrade to 2019 for small ad environments. Running the server 2019 installation media at first seems to run without an issue but right before the installation begins you re greeted with. Please don t forget to mark this reply as answer if it help you to fix your issue.

This means no additional security patches will be issued after that date. Support for windows server 2008 r2 has been ended on january 14th 2020 so we need to migrate to a newer os like windows server 2019. Migrating from windows server 2008 r2 to windows server 2019 standard datacenter or essentials is an easy job if you use our guides.

I have also added in a windows server 2019 member server which will serve as my new domain controller once i have promote it to host active directory and transfer the fsmo flexible single masters of operation over. How to create additional domain controller adc in windows server 2019 so click here. Now sign in windows server 2019 with the domain administrator account.