How to set Order DNS of client, server member

[thanhtien19]

our system have 6 server DNS active directory (3 server DC, 3 server DR), So dns of client and member server should set order how if server at DC and server at DC, client at Branch ? please suggest help me

[#2]

For you member servers I'd suggest setting a local branch DNS server as primary and others at branch or other reachable locations as secondary.

[#3]

Current all client every branch point DNS to AD , your mean is build server DNS tại every branch and client point to this dns local branch and in local dns branch forwarder to AD ? how about member server in DC and DR ?

[#4]

your mean is build server DNS tại every branch and client point to this dns local branch

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It was a guess since we don't know your topology, but yes at least one domain controller per site would be recommended. Might work through this one

Designing the Site Topology | Microsoft Docs