Merge pull request #310370 from Kiran-MSFT/patch-19

(AzureCXP) fixes MicrosoftDocs/azure-docs-pr

Author: prmerger-automator[bot]

articles/load-balancer/components.md

@@ -81,6 +81,10 @@ The load-balancing decision is made per flow. This action is based on the follow
 
 The HA ports load-balancing rules help you with critical scenarios, such as high availability and scale for network virtual appliances (NVAs) inside virtual networks. The feature can help when a large number of ports must be load-balanced.
 
+HA Ports are commonly used for Network Virtual Appliances (NVAs) such as firewalls, VPNs, or SD-WAN devices, where defining individual load-balancing rules per port is not practical. Traffic is distributed per connection flow (5-tuple), and health probes are used to ensure traffic is sent only to healthy instances.
+
+Please note that HA Ports are not supported on Basic or Public Load Balancers and are not intended for typical web or application workloads that require port-specific rules.
+
 :::image type="content" source="media/load-balancer-components/harules.png" alt-text="Screenshot of Azure Load Balancer HA ports configuration diagram showing frontend ports directing to backend instances.":::
 
 *Figure: HA Ports rules*