Parameter Attribute DataType Description Allowed Values
DisplayName Key String The display name of the Shared Mailbox
TimeZone Write String The name of the Time Zone to assign to the mailbox
Locale Write String The code of the Locale to assign to the mailbox
Ensure Write String Present ensures the Mailbox Settings are applied Present
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.
AccessTokens Write StringArray[] Access token used for authentication.

EXO MailboxSettings


This resource configures settings on Mailboxes such as the Regional settings and its timezone.



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


  • User Options, View-Only Recipients, Mail Recipients

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
        EXOMailboxSettings 'OttawaTeamMailboxSettings'
            DisplayName = 'Conf Room Adams'
            TimeZone    = 'Eastern Standard Time'
            Locale      = 'en-US' # Updated Property
            Ensure      = 'Present'
            Credential  = $Credscredential