Parameter Attribute DataType Description Allowed Values
OrgWideAccount Key String Specify the OrgWideAccount for the AvailabilityConfig.
Ensure Write String Specify if the AvailabilityConfig 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 the Availability Config in Exchange Online.



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


  • Federated Sharing, Organization Configuration, Mail Tips, Message Tracking

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
        EXOAvailabilityConfig 'ConfigureAvailabilityConfig'
            OrgWideAccount       = "admin@contoso.onmicrosoft.com"
            Ensure               = "Present"
            Credential           = $credsGlobalAdmin