degraded cdns post migration

Author: seligj95

articles/app-service/environment/how-to-side-by-side-migrate.md

@@ -4,7 +4,7 @@ description: Learn how to migrate your App Service Environment v2 to App Service
 author: seligj95
 ms.topic: tutorial
 ms.custom: devx-track-azurecli
-ms.date: 4/4/2024
+ms.date: 4/9/2024
 ms.author: jordanselig
 ---
 # Use the side-by-side migration feature to migrate App Service Environment v2 to App Service Environment v3 (Preview)
@@ -230,14 +230,16 @@ az appservice ase show --name $ASE_NAME --resource-group $ASE_RG
 > During the migration as well as during the `MigrationPendingDnsChange` step, the Azure portal shows incorrect information about your App Service Environment and your apps. Use the Azure CLI to check the status of your migration. If you have any questions about the status of your migration or your apps, contact support.
 > 
 
+> [!NOTE]
+> If your migration includes a custom domain suffix, your custom domain suffix configuration might show as degraded once the migration is complete due to a known bug. Your App Service Environment should still function as expected. The degraded status should resolve itself within 6-8 hours. If the configuration is degraded after 8 hours or if your custom domain suffix is not functioning, contact support.
+
+:::image type="content" source="./media/custom-domain-suffix/custom-domain-suffix-error.png" alt-text="Screenshot of a sample degraded custom domain suffix configuration.":::
+>
+
 ## 10. Get the inbound IP addresses for your new App Service Environment v3 and update dependent resources
 
 You have two App Service Environments at this stage in the migration process. Your apps are running in both environments. You need to update any dependent resources to use the new IP inbound address for your new App Service Environment v3. For internal facing (ILB) App Service Environments, you need to update your private DNS zones to point to the new inbound IP address. This step is where you can validate your new environment and make any remaining necessary updates to your dependent resources.
 
-> [!IMPORTANT]
-> During the preview, the new inbound IP might be returned incorrectly due to a known bug. Open a support ticket to receive the correct IP addresses for your App Service Environment v3.
-> 
-
 You can get the new inbound IP address for your new App Service Environment v3 by running the following command that corresponds to your App Service Environment load balancer type. It's your responsibility to make any necessary updates. 
 
 For ILB App Service Environments, get the private inbound IP address by running the following command: