Merge pull request #185508 from barclayn/patch-2

Update services-azure-active-directory-support.md

Author: PRMerger19

articles/active-directory/managed-identities-azure-resources/services-azure-active-directory-support.md

@@ -23,6 +23,7 @@ The following services support Azure AD authentication. New services are added t
 | Azure Batch                     | [Authenticate Batch service solutions with Active Directory](../../batch/batch-aad-auth.md)         |
 | Azure Container Registry        | [Authenticate with an Azure container registry](../../container-registry/container-registry-authentication.md)                                                                       |
 | Azure Cognitive Services        | [Authenticate requests to Azure Cognitive Services](../../cognitive-services/authentication.md?tabs=powershell#authenticate-with-azure-active-directory)                                                                          |
+| Azure Communication Services    | [Authenticate to Azure Communication Services](../../communication-services/concepts/authentication.md)   |
 | Azure Databricks                | [Authenticate using Azure Active Directory tokens](/azure/databricks/dev-tools/api/latest/aad/)
 | Azure Data Explorer             | [How-To Authenticate with Azure Active Directory for Azure Data Explorer Access](/azure/data-explorer/kusto/management/access-control/how-to-authenticate-with-aad)                                                                                                     |
 | Azure Data Lake Storage Gen1    | [Authentication with Azure Data Lake Storage Gen1 using Azure Active Directory](../../data-lake-store/data-lakes-store-authentication-using-azure-active-directory.md)                                                                                                  |
@@ -49,4 +50,4 @@ The following services support Azure AD authentication. New services are added t
 
 - [Azure China developer guide](/azure/china/resources-developer-guide)
 - [Compare Azure Government and global Azure](../../azure-government/compare-azure-government-global-azure.md)
-- [Azure services that can use Managed identities to access other services](managed-identities-status.md)
+- [Azure services that can use Managed identities to access other services](managed-identities-status.md)