Adding first Windows Server 2012 R2 domain controller within Windows Server 2008 R2 Network


Recently, we have decommissioned our physical Windows Server 2008 R2 domain controller and now we got 3 Windows Server 2008 R2 virtual domain controllers. One of them is Domain Naming Master, Schema Master and Time server too. I know, virtual server shouldn't be time server and Domain Naming Master therefore, we are planning for new physical server.

This time I would like to install Windows Server 2012 R2 as Domain Controller on that physical box and make it schema master, Domain naming master and time server.

Can anyone let me know if it is recommended or not? Please, share y'all experiences in this regard?
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David Johnson, CD, MVPOwnerCommented:
I know, virtual server shouldn't be time server and Domain Naming Master Times have changed a virtual machine can be any of the above.

Other than it will want to run a schema update there are no issues
Mohammed KhawajaManager - Infrastructure:  Information TechnologyCommented:
Virtual servers can be time servers as long as time synchronization with the host server is disabled.  There are environments where they are running 100% under VMware and they have time servers, ditto for KVM and other hypervisors.
A1opusAuthor Commented:

Thanks all for the replies. I am not concern about whether I should use virtual or physical server but adding Windows Server 2012 R2 domain controller alongwith Windows Server 2008 R2 domain controllers.

Can someone, guide me in this regard?
First, check the health of your existing domain.

Second, ensure that your current Forest/Domain functional levels allow for the additional of a 2012 R2 Server (Forest and Domain Functional Levels must be at or above Windows Server 2003).

After that, it's really not a difficult process.  When you run the Active Directory Role installer on the 2012 server, it will guide you through the entire process and perform any dependency tasks; e.g. - ADPREP; if needed.


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Windows Server 2008

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