Creating Office 365 Mailboxes in a Hybrid Setup

In this article I will show you how to create Exchange Online mailboxes in a hybrid environment such that the maiboxes also show up on the on-premises Exchange server management console.

The most logical way of creating an Exchange Online mailbox (you’d think) is to let AD users DirSync across to 365, assign them licenses and be done with it. However doing it this way doesn’t create a link between Exchange Online and your On-Premises Exchange server which means you can’t do things like manage the user’s mailbox from EMC or┬ámigrate the mailbox between on-premises and Exchange Online.

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Archiving a User’s Mailbox on Office 365

So an employee has left the company and you now need to archive the mailbox due to legal and/or company policies.
This article will give you a quick overview on how you can achieve this goal on an Office 365 mailbox while maintaining the integrity and security of your organisation’s 365 account.
Although not necessary, I recommend (as a pre-requisite) disabling account ‘sign-in’ capabilities and resetting the user account password.
This will prevent the user from logging in to the account and messing around with it whilst you are attempting to archive their mailbox.

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Grant and Revoke Access to Mailboxes – Office 365

There may be times where you may need to grant an IT administrator or other employees access to another user’s mailbox.
Below I will demonstrate how to:

  • Grant an Admin access to a single mailbox
  • Grant an Admin access to all mailboxes
  • Revoke the above permissions (recommended cause of action after the Administrator has finished his/her tasks)

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