windows 2012R2 server DC

Hi We have windows server 2012 R2 as DC then we added two adc to the domain... now we need to format the DC ( first domain Controller)... do i need to promote any of the adc to DC or what is teh best practice to do this?
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Cliff GaliherCommented:
If you remove the ADDS role, that will trigger a transfer of the FSMO roles. You'll then want to clean up the remaining entries in AD Sites and Services and in DNS.
Manojkumar RaneCommented:
As you mention you have added two new ADC in your domain, so first transfer FSMO roles on any of the new ADC. Then you can safely demote you DC.

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Windows Server 2012

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