Merge pull request #107034 from ScottAzure/patch-2

Update what-is-ip-address-168-63-129-16.md

Author: Jak-MS

articles/virtual-network/what-is-ip-address-168-63-129-16.md

@@ -39,6 +39,9 @@ The public IP address 168.63.129.16 is used in all regions and all national clou
 - When the VM is part of a load balancer backend pool, [health probe](../load-balancer/load-balancer-custom-probe-overview.md) communication should be allowed to originate from 168.63.129.16. The default network security group configuration has a rule that allows this communication. This rule leverages the [AzureLoadBalancer](../virtual-network/service-tags-overview.md#available-service-tags) service tag. If desired this traffic can be blocked by configuring the network security group however this will result in probes that fail.
 
 ## Troubleshoot connectivity
+> [!NOTE]
+> When running the tests below, the action need to be run as Administrator (Windows) and Root (Linux) to ensure accurate results.
+
 ### Windows OS
 You can test communication to 168.63.129.16 by using the following tests with PowerShell.