Merge pull request #105309 from tyler-lloyd/patch-2

docs: update Windows2019 limitation

Author: Court72

articles/aks/azure-cni-overlay.md

@@ -48,7 +48,7 @@ Like Azure CNI Overlay, Kubenet assigns IP addresses to pods from an address spa
 | Network configuration        | Simple - no additional configuration required for pod networking | Complex - requires route tables and UDRs on cluster subnet for pod networking |
 | Pod connectivity performance | Performance on par with VMs in a VNet                            | Additional hop adds minor latency                                             |
 | Kubernetes Network Policies  | Azure Network Policies, Calico, Cilium                           | Calico                                                                        |
-| OS platforms supported       | Linux and Windows                                                | Linux only                                                                    |
+| OS platforms supported       | Linux and Windows Server 2022                                            | Linux only                                                                    |
 
 ## IP address planning
 
@@ -93,6 +93,7 @@ The overlay solution has the following limitations:
 
 * Overlay can be enabled only for new clusters. Existing (already deployed) clusters can't be configured to use overlay.
 * You can't use Application Gateway as an Ingress Controller (AGIC) for an overlay cluster.
+* Windows Server 2019 node pools are not supported for overlay.
 
 ## Install the aks-preview Azure CLI extension