asked on How can I go from all 2012 R2 domain controllers to newer versions safely?
I have been tasked with updating a Microsoft Active Directory Network. It currently runs all 2012 R2 domain controllers with a Domain Functional Level of 2008 R2. Also Exchange 2016 is running on prem. My question is, is there any danger and also should I raise the domain functional level to 2012 R2 before adding newer DCs? Also is it OK to go to server 2019 for the new domain controllers or is 2016 best to go to first?
MicrosoftActive Directory
Last Comment
Seth Simmons
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ASKER
I have already migrated to DFSR. Is there any precaution I should take before raising domain functional level?
Please download this tool and ensure no errors before performing.
https://www.microsoft.com/en-us/download/details.aspx?id=30005
https://www.microsoft.com/en-us/download/details.aspx?id=30005
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cheers