Sunday , December 15 2019

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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About Satheshwaran Manoharan

Satheshwaran Manoharan is an Microsoft Office Server and Services MVP , Publisher of Azure365pro.com. Specialized in Office365 / Microsoft Exchange / Virtualization , Sathesh is an Messaging Expert supporting/Designing/Deploying many medium size businesses to large enterprises when it comes to Corporate messaging and Virtualization Infrastructure

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