Parameter Attribute DataType Description Allowed Values
Name Key String The Name parameter specifies the new name of the assignment policy. The maximum length is 64 characters.
Description Write String The Description parameter specifies the description that's displayed when the role assignment policy is viewed using the Get-RoleAssignmentPolicy cmdlet.
IsDefault Write Boolean The IsDefault switch makes the assignment policy the default assignment policy.
Roles Write StringArray[] The Roles parameter specifies the management roles to assign to the role assignment policy when it's created.
Ensure Write String Specify if the Role Assignment Policy should exist or not. 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 configures Role Assignment Policies in Exchange Online.



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


  • Role Management, Mail Recipient Creation, View-Only Configuration, 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
        EXORoleAssignmentPolicy 'ConfigureRoleAssignmentPolicy'
            Name                 = "Default Role Assignment Policy"
            Description          = "This policy grants end users the permission to set their options in Outlook on the web and perform other self-administration tasks."
            IsDefault            = $True
            Roles                = @("My Marketplace Apps","MyVoiceMail","MyDistributionGroups","MyRetentionPolicies","MyContactInformation","MyBaseOptions","MyTextMessaging","MyDistributionGroupMembership","MyProfileInformation","My Custom Apps","My ReadWriteMailbox Apps")
            Ensure               = "Present"
            Credential           = $credsGlobalAdmin