Add K8s requirement Note

Author: chasewilson

articles/aks/advanced-container-networking-services-overview.md

@@ -6,7 +6,7 @@ ms.author: kparekh
 ms.service: azure-kubernetes-service
 ms.subservice: aks-networking
 ms.topic: overview
-ms.date: 05/24/2024
+ms.date: 05/28/2024
 ---
 
 # What is Advanced Container Networking Services?
@@ -15,6 +15,9 @@ Advanced Container Networking Services is a suite of services built to significa
 
 With Advanced Container Networking Services, the focus is on delivering a seamless and integrated experience that empowers you to maintain robust security postures, ensure comprehensive compliance and gain deep insights into your network traffic and application performance. This ensures that your containerized applications are not only secure and compliant but also meet or exceed your performance and reliability goals, allowing you to confidently manage and scale your infrastructure.
 
+> [!NOTE]
+> Advanced Container Networking Services is only available for clusters running Kubernetes 1.29 or higher.
+
 ## What is included in Advanced Container Networking Services?
 
 Advanced Network Observability is the inaugural feature of the Advanced Container Networking Services suite bringing the power of Hubble’s control plane to both Cilium and non-Cilium Linux data planes. While Advanced Network Observability is the foundation of the Advanced Container Networking Services suite, the feature set will evolve over time offering even more insights and providing yet more new & powerful ways to manage your AKS networks.