List serviceAnnouncement messages

Namespace: microsoft.graph

Retrieve the serviceUpdateMessage resources from the messages navigation property.

This operation retrieves all service update messages that exist for the tenant.


One of the following permissions is required to call this API. To learn more, including how to choose permissions, see Permissions.

Permission type Permissions (from least to most privileged)
Delegated (work or school account) ServiceMessage.Read.All
Delegated (personal Microsoft account) Not supported.
Application ServiceMessage.Read.All

HTTP request

GET /admin/serviceAnnouncement/messages

Optional query parameters

This method supports the OData query parameters to help customize the response.

Request headers

Name Description
Authorization Bearer {token}. Required.
Set the maximum page size preference. The maximum page size cannot be greater than 1000. If not specified, default page size is 100. Optional.

Request body

Do not supply a request body for this method.


If successful, this method returns a 200 OK response code and a collection of serviceUpdateMessage objects in the response body. The response is paginated and default page size is 100.





Note: The response object shown here might be shortened for readability.

HTTP/1.1 200 OK
Content-Type: application/json

  "@odata.context": "$metadata#admin/serviceAnnouncement/messages",
  "@odata.nextLink": "$skip=100",
  "value": [
      "startDateTime": "2019-02-01T18:51:00Z",
      "endDateTime": "2019-06-01T08:00:00Z",
      "lastModifiedDateTime": "2021-01-08T01:10:06.843Z",
      "title": "(Updated) New feature: Changes to PowerPoint and Word to open files faster",
      "id": "MC172851",
      "category": "StayInformed",
      "severity": "Normal",
      "tags": [
        "Updated message"
      "isMajorChange": true,
      "actionRequiredByDateTime": null,
      "services": [
        "SharePoint Online",
        "OneDrive for Business"
      "expiryDateTime": null,
      "details": [
          "name": "ExternalLink",
          "value": ""
      "body": {
        "contentType": "Html",
        "content": "Updated January 07, 2021: Based on learnings from our early rings, we have made the decision to make additional changes to the code before we proceed with the rollout. We will update the Message center post once we re-start the rollout......"
      "viewPoint": null