Friday , May 24 2019

Adding Domain in Existing Hybrid Configuration

Scenario 1 –

  • Domain never Existed in the Forest.
  • All Mailboxes will be in the Cloud.
  • Hybrid Exchange Server will be used only for Recipient management.

 

  • Add the Additional Domain in Office Admin Center
  • Add required DNS records – Point MX,Autodiscover,SPF to the Cloud

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Open On Premises Active Directory –

Active Directory Domains And Trust.

Properties

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Add the Additional Suffix –

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Now you can set –

To Change Email Addresses ,used Accepted Domain and Email Address Policies In Exchange Control Panel.

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Try Creating test users and check user sync to the cloud with the new domain.

Scenario 2 –

  • Domain Already Exist in the Forest.
  • All Mailboxes with this domain exist in the Forest.
  • Mailboxes are yet to move to the cloud but hybrid configuration was completed with the new domain.

 

  • Add the Additional Domain in Office Admin Center
  • Add only verification DNS
  • Don’t Change MX or Auto discover Records.

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Open On Premises Active Directory –

Active Directory Domains And Trust.

Properties

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Add the Additional Suffix –

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Now you can set –

To Change Email Addresses ,use Accepted Domain and Email Address Policies In Exchange Control Panel.

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Add the Domain in Organization Sharing –

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Add the Domain in Existing Hybrid Mail flow Connectors – 

  • From Office 365 To Your Organization’s Email Server

Edit the Connector – Add Domain – Validate the Connector before Applying.

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In my Case the domain was from a different site al together

So Added a new migration End Point

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Followed the normal Process to Migrate Mailboxes use the new migration end point.

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See –

Office 365 Hybrid Configuration Wizard Step by Step

Office 365 Hybrid Duplicate Mailboxes

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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