Merge pull request #191255 from rwallerms/users/rwaller/AADURISchemeUpdate

Update AAD app URI scheme prefix due to AAD breaking change

Author: PRMerger9

articles/applied-ai-services/immersive-reader/how-to-create-immersive-reader.md

@@ -157,7 +157,7 @@ The script is designed to be flexible. It will first look for existing Immersive
         -ResourceGroupName 'MyResourceGroupName'
         -ResourceGroupLocation 'westus2'
         -AADAppDisplayName 'MyOrganizationImmersiveReaderAADApp'
-        -AADAppIdentifierUri 'https://MyOrganizationImmersiveReaderAADApp'
+        -AADAppIdentifierUri 'api://MyOrganizationImmersiveReaderAADApp'
         -AADAppClientSecret 'SomeStrongPassword'
         -AADAppClientSecretExpiration '2021-12-31'
     ```
@@ -172,7 +172,7 @@ The script is designed to be flexible. It will first look for existing Immersive
     | ResourceGroupName |Resources are created in resource groups within subscriptions. Supply the name of an existing resource group. If the resource group does not already exist, a new one with this name will be created. |
     | ResourceGroupLocation |If your resource group doesn't exist, you need to supply a location in which to create the group. To find a list of locations, run `az account list-locations`. Use the *name* property (without spaces) of the returned result. This parameter is optional if your resource group already exists. |
     | AADAppDisplayName |The Azure Active Directory application display name. If an existing Azure AD application is not found, a new one with this name will be created. This parameter is optional if the Azure AD application already exists. |
-    | AADAppIdentifierUri |The URI for the Azure AD app. If an existing Azure AD app is not found, a new one with this URI will be created. For example, `https://immersivereaderaad-mycompany`. |
+    | AADAppIdentifierUri |The URI for the Azure AD app. If an existing Azure AD app is not found, a new one with this URI will be created. For example, `api://MyOrganizationImmersiveReaderAADApp`. Here we are using the default Azure AD URI scheme prefix of `api://` for compatibility with the [Azure AD policy of using verified domains](../../active-directory/develop/reference-breaking-changes.md#appid-uri-in-single-tenant-applications-will-require-use-of-default-scheme-or-verified-domains). |
     | AADAppClientSecret |A password you create that will be used later to authenticate when acquiring a token to launch the Immersive Reader. The password must be at least 16 characters long, contain at least 1 special character, and contain at least 1 numeric character. To manage Azure AD application client secrets after you've created this resource please visit https://portal.azure.com and go to Home -> Azure Active Directory -> App Registrations -> `[AADAppDisplayName]` -> Certificates and Secrets blade -> Client Secrets section (as shown in the "Manage your Azure AD application secrets" screenshot below). |
     | AADAppClientSecretExpiration |The date or datetime after which your `[AADAppClientSecret]` will expire (e.g. '2020-12-31T11:59:59+00:00' or '2020-12-31'). |