Provisioning Mailbox directly into Azure Active directory (Entra ID)

Identity Security Cloud (ISC) ISC Discussion and Questions
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Hi @Shweta23jan

Ok. Here’s some pointers:

  • As you are still in Hybrid Exchange mode I would recommend that you create a “Remote Mailbox”. Creating a Cloud Native mailbox may create some unforeseen issues.
  • Email address is a mandatory attribute for creating a mailbox so will need to be generated by ISC
  • As you are in Hybrid Identity mode the email address attribute will need to be generated on the AD account prior to Entra Connect sync and prior to creating the mailbox
  • The document that you link to, IMHO, is not good at explaining the scenarios and can be confusing - for instance, there is no concept of creating an on-prem mailbox and “replicating” to the cloud
  • If you haven’t implemented an Entra connector, there is no need for this scenario. That has been included in Scenario 3 simply to assign the M365 license, which can be done via a sync-ed on-prem group
  • Specifically, yes, you will need to run the enable-remoteMailbox powershell
  • See Exchange Mailbox Provisioning - #5 by j_place for more details
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