Problem Statement:

How do I create User Mailbox


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 Microsoft 365 admin center, see Add users and assign licenses. 

You have to use the Microsoft 365 admin center or Exchange Online PowerShell or CoreView to create an Exchange Online user mailbox.

Create new User Mailbox  using 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, see Add users individually or in bulk.

 Create 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 -Password (ConvertTo-SecureString -String 'P@ssw0rd' -AsPlainText -Force) -ResetPasswordOnNextLogon $true

After you create a mailbox by running the previous command, a user account is also created. You have to activate this user account by assigning a license. 

For existing User

#Enable Mailbox for existing user
Enable-Mailbox -Identity

NOTE: After you create a new mailbox using Exchange Online PowerShell, you have to assign it an Exchange Online license or it will be disabled when the 30-day grace period ends.

Create New User Mailbox Using CoreView:

  • Using CorevIew is the easiest way to create and manage Mailboxes.
  • Go to CoreView portal
  • Under Actions --> select management actions --> then choose Mailbox --> select Create mailbox

  • Fill all the required details as shown below  and submit it.

Note: operators will be able to see and manage only mailboxes part of their V-Tenant defined scope.

Using CoreSuite you can not only manage every aspect of mailbox permissions, but you can also create, manage, monitor and delete mailbox objects and their configuration easily, always 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 to help keeping it under control. It simplify day by day activities, while ensuring a safer and more compliance management through tenant delegation, granular permission control, license optimization, workflow. 

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