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SammyPeps-2854 avatar image
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SammyPeps-2854 asked SammyPeps-2854 commented

How to create a backup AD_DS

I have two virtual environments in VSphere, running Server 2019. I am able to run one as a AD and log into it with the client. I need to have a second Server 2019 in the other VM available in the event the first one fails. I'm not sure where to go to set one up.

windows-server-2019
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DSPatrick avatar image
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DSPatrick answered SammyPeps-2854 commented

Adding a second domain controller is a good move for high availability and disaster mitigation. A very simple process. I'd use dcdiag / repadmin tools to verify health correcting all errors found before starting any operations. Then stand up the new 2019, patch it fully, license it, join existing domain, add active directory domain services, promote it also making it a GC (recommended), transfer FSMO roles over (optional), transfer pdc emulator role (optional), use dcdiag / repadmin tools to again verify health. Then just check your DHCP server hands out both addresses for DNS


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Thank you DSPatrick, I'll give it a try.

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VickyWang-MFST avatar image
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VickyWang-MFST answered SammyPeps-2854 commented

Hi

Thank you for posting in our forum.

step by step promote domain controller 2019: https://www.petenetlive.com/kb/article/0001262

step by step transfer fsmo roles: https://www.dtonias.com/transfer-fsmo-roles-domain-controller/

Hope this information can help you

Best wishes
Vicky

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Thank you VickyWang, I'll give it a try.

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