You can't create new user mailboxes using the new Exchange Admin Center (EAC). However, after Exchange Online mailboxes are created, you can manage them using the new EAC. For more information on adding users in the Microsoft 365 admin center, please refer to Add users and assign licenses.
To create an Exchange Online user mailbox, you have three options: using the Microsoft 365 Admin Center, Exchange Online PowerShell, or CoreView. This article will explore these three different methods.
1. Creating a new user mailbox using the M365 Admin Center
You can use the Microsoft 365 Admin Center to create a new user account. When you assign the user account a license for Exchange Online, a mailbox is automatically created for the user. To create new user accounts in the Microsoft 365 admin center, please refer to Add users individually or in bulk.
2. Creating a new user mailbox using PowerShell
This example creates an Exchange Online mailbox and user account for Holly Holt. The optional parameter ResetPasswordOnNextLogon will require the user to reset their password the first time they sign in to Microsoft 365 or Office 365.
#Create New User Mailbox
New-Mailbox -Alias hollyh -Name hollyh -FirstName Holly -LastName Holt -DisplayName "Holly Holt" -MicrosoftOnlineServicesID firstname.lastname@example.org -Password (ConvertTo-SecureString -String 'P@ssw0rd' -AsPlainText -Force) -ResetPasswordOnNextLogon $true
After creating a mailbox by running the previous command, a user account is also generated. This user account must be activated by assigning a license.
For an existing user:
#Enable Mailbox for existing user
Enable-Mailbox -Identity email@example.com
After creating a new mailbox using Exchange Online PowerShell, you must assign it an Exchange Online license. Otherwise, it will be disabled when the 30-day grace period expires.
3. Creating the new user mailbox using CoreView
CoreView offers the easiest method for creating and managing mailboxes:
- Go to the CoreView portal.
- Select ACTIONS > Management actions > Mailbox > Create mailbox.
- Fill all the required details as shown below and submit the form.
Operators will only be able to view and manage mailboxes that are part of their defined V-Tenant scope.
With CoreSuite, you can manage every aspect of mailbox permissions, as well as easily create, manage, monitor, and delete mailbox objects and their configurations, all within the scope of your V-Tenant.
CoreSuite is an advanced Microsoft 365 tool offered by CoreView, used for reporting, managing, monitoring, auditing, and automating activities on your tenant. It simplifies daily activities while ensuring safer and more compliant management through tenant delegation, granular permission control, license optimization, and workflow automation.
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