Merge pull request #284939 from Nagarjuna-Vipparthi/vnet-troubleshooting

Update how-to-test-private-endpoint.md

Author: prmerger-automator[bot]

articles/load-testing/how-to-test-private-endpoint.md

@@ -43,6 +43,7 @@ If you restrict access to your virtual network, you need to [configure your virt
 - Your Azure account has the [Network Contributor](/azure/role-based-access-control/built-in-roles#network-contributor) role, or a parent of this role, on the virtual network. See [Check access for a user to Azure resources](/azure/role-based-access-control/check-access) to verify your permissions.
 - The subnet you use for Azure Load Testing must have enough unassigned IP addresses to accommodate the number of load test engines for your test. Learn more about [configuring your test for high-scale load](./how-to-high-scale-load.md).
 - The subnet shouldn't be delegated to any other Azure service. For example, it shouldn't be delegated to Azure Container Instances (ACI). Learn more about [subnet delegation](/azure/virtual-network/subnet-delegation-overview).
+- The subnet shouldn't have IPv6 enabled. Azure Load Testing doesn't support IPv6 enabled subnets. Learn more about [IPv6 for Azure Virtual Network].(/azure/virtual-network/ip-services/ipv6-overview)
 - Azure CLI version 2.2.0 or later (if you're using CI/CD). Run `az --version` to find the version that's installed on your computer. If you need to install or upgrade the Azure CLI, see [How to install the Azure CLI](/cli/azure/install-azure-cli).
 
 ## Configure virtual network
@@ -194,8 +195,11 @@ To configure the load test with your virtual network settings, update the [YAML
 
 1. After the CI/CD workflow triggers, your load test starts, and can now access the privately hosted application endpoint in your virtual network.
 
+## Troubleshooting
+
+To troubleshoot issues in creating and running load tests against private endpoints, see [how to troubleshoot private endpoint tests](./troubleshoot-private-endpoint-tests.md).
 
 ## Next steps
 
 - Learn more about the [scenarios for deploying Azure Load Testing in a virtual network](./concept-azure-load-testing-vnet-injection.md).
-- Learn how to [Monitor server-side application metrics](./how-to-monitor-server-side-metrics.md).
+- Learn how to [troubleshoot private endpoint tests](./troubleshoot-private-endpoint-tests.md).