How to create an O365 Mailbox when there is no On-Prem Exchange Servers.

November 6, 2018 at 11:45 am 1 comment

In some cases the IT department decomission the On-Prem Exchange Server after migrating the mailboxes to O365. (For detailed steps for uninstallation of Exchange Please refer my previous article : https://vands.pro/2018/11/06/how-to-decomission-on-prem-exchange-server-after-migrating-the-mailboxes-to-o365/.

OK, Coming back to mailbox creation ; All these steps need to be done in the ADUC

 

+ Create an AD User.

+ Type the email address in the email field.

+ Go to the Account Tab and select the correct domain name.

+ In the Attributes Editor  modify the two parameter’s as below

proxyAddresses: SMTP: myemail@email.com

targetAddress: SMTP: myemail@companyname.onmicrosoft.com

+ Either perform a manual sync or wait for the next schedule.

+ After the Sync is completed you will be able to see the user in O365 Portal and need to assign the Exchange License to complete
the mailbox creation.

Credits: https://c7solutions.com/2014/07/creating-mailboxes-in-office-365-when-using-dirsync

 

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Entry filed under: Exchange and O365. Tags: , , .

How to Decomission On-Prem Exchange Server after migrating the Mailboxes to O365 Veeam Backup Repository Sizing

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