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SRPfr's avatar
SRPfr
Copper Contributor
Jun 19, 2020

Exchange hybrid or not when all mailboxes are in EXO? Question about Object management.

Hi all,
We have all mailbox in EXO, nothing on-Premise. But we installed one Exchange server 2016 to manage synced Exchange object, with AADConnect.
We didn’t enable Hybrid Exchange because we are not in a hybrid environment.
1/ What will be the difference in Exchange object management with or without Exchange hybridation ? (Mailenable user, remote mailbox, attributes available ...).
I didn’t found any comparison table.
2/ with AADConnect and only EXO mailboxes, what will be the best practice for Sharedmailboxes, resources mailboxes and Distribution lists ? To create these objects directly on EXO or On-Premise ?
Thanks !
  • Hybrid is not requirement for managing objects/attributes for such scenarios. And whether you should create objects directly in ExO or manage them on-prem is a decision you should make - if you want centralized management, password sync/PTA or AAD Connect SSO go for the latter.

    • SRPfr's avatar
      SRPfr
      Copper Contributor
      We use AADconnect/PTA/Seamless SSO, but now without Exchange hybrid.
      Without Hybrid I saw only 2 difference in a scenario with all mailboxes in the cloud :
      - In EAC we can’t create an Office 365 mailbox object. (But a mailenable object is ok for aadconnect)
      - in Powershell we can’t use enable-remote mailbox.
      Not a big deal i think.
      Do you know if there’s other impacts to not activate Exchange hybrid ?
      • Well there's a lot of additional functionalities that you will not have access to, but as far as managing objects goes, you should be fine.

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