Added notes and FAQ entry covering

the fact that this extension requires
linux nodes

Author: apwestgarth

articles/container-apps/azure-arc-overview.md

@@ -5,7 +5,7 @@ services: container-apps
 author: craigshoemaker
 ms.service: azure-container-apps
 ms.topic: conceptual
-ms.date: 07/18/2024
+ms.date: 09/23/2024
 ms.author: cshoe
 ---
 
@@ -38,6 +38,7 @@ The following public preview limitations apply to Azure Container Apps on Azure
 |---|---|
 | Supported Azure regions | East US, West Europe, East Asia |
 | Cluster networking requirement | Must support [LoadBalancer](https://kubernetes.io/docs/concepts/services-networking/service/#loadbalancer) service type |
+| Node OS requirement | **Linux** only. | 
 | Feature: Managed identities | [Not available](#are-managed-identities-supported) |
 | Feature: Pull images from ACR with managed identity | Not available (depends on managed identities) |
 | Logs | Log Analytics must be configured with cluster extension; not per-application |
@@ -77,6 +78,7 @@ The following table describes the role of each revision created for you:
 - [Are there any scaling limits?](#are-there-any-scaling-limits)
 - [What logs are collected?](#what-logs-are-collected)
 - [What do I do if I see a provider registration error?](#what-do-i-do-if-i-see-a-provider-registration-error)
+- [Can the extension be installed on Windows nodes?](#can-the-extension-be-installed-on-windows-nodes)
 - [Can I deploy the Container Apps extension on an Arm64 based cluster?](#can-i-deploy-the-container-apps-extension-on-an-arm64-based-cluster)
 
 ### How much does it cost?
@@ -107,6 +109,10 @@ By default, logs from system components are sent to the Azure team. Application
 
 As you create an Azure Container Apps connected environment resource, some subscriptions might see the "No registered resource provider found" error. The error details might include a set of locations and API versions that are considered valid. If this error message is returned, the subscription must be re-registered with the `Microsoft.App` provider. Re-registering the provider has no effect on existing applications or APIs. To re-register, use the Azure CLI to run `az provider register --namespace Microsoft.App --wait`. Then reattempt the connected environment command.
 
+## Can the extension be installed on Windows nodes?
+
+No, the extension cannot be installed on Windows nodes.  The extension supports installation on **Linux** nodes **only**.
+
 ### Can I deploy the Container Apps extension on an Arm64 based cluster?
 
 Arm64 based clusters aren't supported at this time.