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Saturday, March 2, 2024

DNS Prerequisites for Cross Forest Migration

Lets see how to create a conditional Forwarder in Microsoft DNS and inflobox to Create Two way transitive Trust prior to the migration.

Open Microsoft DNS Manager – Right Click on Conditional Forwarder – New Conditional forwarder

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Enter the Other Forest Domain Name

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Choose OK.

So any request to Azure365pro.com

ad.azure365pro.com will resolve from 172.21.1.100

Am doing this from Forest A to Forest B (Azure365pro.com)

Lets see how to create the same forwarder if you have a custom DNS Solution like inflobox

Adding Forwarding zone in Inflobox for Azure365Pro.com

Step 1 – Add Forward Zone

 

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Step 2 – Add and authoritative forward-mapping zone

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Step 3 – name – azure365pro.com

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Add Name Servers

azure365pro.com Name Servers / Domain Controllers (AD Integrated DNS Servers)

azure365pro.com 10.10.10.10

azure365pro.com 10.10.10.11

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Step 4 – Leave members empty

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Step 5 – Leave Extensible Attributes empty

Choose Next

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Step 6 – Choose Save and Close

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Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Award-winning Technology Leader with a wealth of experience running large teams and diversified industry exposure in cloud computing. From shipping lines to rolling stocks.In-depth expertise in driving cloud adoption strategies and modernizing systems to cloud native. Specialized in Microsoft Cloud, DevOps, and Microsoft 365 Stack and conducted numerous successful projects worldwide. Also, Acting as a Technical Advisor for various start-ups.

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