Identify broken sample code link.

Author: MikeRayMSFT

articles/active-directory-b2c/microsoft-graph-operations.md

@@ -262,7 +262,8 @@ The `RunAsync` method in the _Program.cs_ file:
 1. Initializes the auth provider using [OAuth 2.0 client credentials grant](../active-directory/develop/v2-oauth2-client-creds-grant-flow.md) flow. With the client credentials grant flow, the app is able to get an access token to call the Microsoft Graph API.
 1. Sets up the Microsoft Graph service client with the auth provider:
 
-:::code language="csharp" source="~/ms-identity-dotnetcore-b2c-account-management/src/Program.cs" id="ms_docref_set_auth_provider":::
+The previously published sample code is not available at this time.
+<!--:::code language="csharp" source="~/ms-identity-dotnetcore-b2c-account-management/src/Program.cs" id="ms_docref_set_auth_provider":::-->
 
 The initialized _GraphServiceClient_ is then used in _UserService.cs_ to perform the user management operations. For example, getting a list of the user accounts in the tenant: