Parameter Attribute DataType Description Allowed Values
DisplayName Key String The display name of the Shared Mailbox
PrimarySMTPAddress Write String The primary email address of the Shared Mailbox
Alias Write String The alias of the Shared Mailbox
EmailAddresses Write StringArray[] The EmailAddresses parameter specifies all the email addresses (proxy addresses) for the Shared Mailbox
Ensure Write String Present ensures the group exists, absent ensures it is removed Present, Absent
Credential Write PSCredential Credentials of the Exchange Global Admin
ApplicationId Write String Id of the Azure Active Directory application to authenticate with.
TenantId Write String Id of the Azure Active Directory tenant used for authentication.
CertificateThumbprint Write String Thumbprint of the Azure Active Directory application's authentication certificate to use for authentication.
CertificatePassword Write PSCredential Username can be made up to anything but password will be used for CertificatePassword
CertificatePath Write String Path to certificate used in service principal usually a PFX file.
ManagedIdentity Write Boolean Managed ID being used for authentication.


This resource allows users to create Office 365 Shared Mailboxes.



To authenticate with Microsoft Exchange, this resource required the following permissions:


  • Mail Enabled Public Folders, MyName, Public Folders, Compliance Admin, User Options, Message Tracking, View-Only Recipients, Role Management, Legal Hold, Audit Logs, Retention Management, Distribution Groups, Move Mailboxes, Information Rights Management, Mail Recipient Creation, Reset Password, View-Only Audit Logs, Mail Recipients, Mailbox Search, UM Mailboxes, Security Group Creation and Membership, Mailbox Import Export, MyMailboxDelegation, MyDisplayName

Role Groups

  • Organization Management


Example 1

This example is used to test new resources and showcase the usage of new resources being worked on. It is not meant to use as a production baseline.

Configuration Example
        [Parameter(Mandatory = $true)]
    Import-DscResource -ModuleName Microsoft365DSC

    node localhost
        EXOSharedMailbox 'SharedMailbox'
            DisplayName        = "Test"
            PrimarySMTPAddress = "Test@O365DSC1.onmicrosoft.com"
            EmailAddresses     = @("Joufflu@o365dsc1.onmicrosoft.com", "Gilles@O365dsc1.onmicrosoft.com")
            Ensure             = "Present"
            Credential         = $credsGlobalAdmin