Merge pull request #95844 from ShrutiPPathak/update_troubleshooting_for_apiserver_unreachable

Update troubleshooting docs for when kube api server is unreachable

Author: PRMerger12

articles/dev-spaces/faq.md

@@ -39,7 +39,7 @@ Yes, you can use Azure Dev Spaces on an AKS cluster that uses CNI for networking
 
 Currently, Azure Dev Spaces is intended to run on Linux pods and nodes only, but you can run Azure Dev Spaces on an AKS cluster with [existing Windows containers][windows-containers].
 
-### Can I use Azure Dev Spaces on AKS clusters with API server authorized IP address ranges enabled?
+## Can I use Azure Dev Spaces on AKS clusters with API server authorized IP address ranges enabled?
 
 Yes, you can use Azure Dev Spaces on AKS clusters with [API server authorized IP address ranges][aks-auth-range] enabled. When [creating][aks-auth-range-create] your cluster, you must [allow additional ranges based on your region][aks-auth-range-ranges]. You can also [update][aks-auth-range-update] and existing cluster to allow those additional ranges.
 

articles/dev-spaces/troubleshooting.md

@@ -88,9 +88,13 @@ Despite the error message when running `az aks use-dev-spaces` with a version of
 
 To fix this issue, update your installation of the [Azure CLI](/cli/azure/install-azure-cli?view=azure-cli-latest) to 2.0.63 or later. This update will resolve the error message you receive when running `az aks use-dev-spaces`. Alternatively, you can continue to use your current version of the Azure CLI and the Azure Dev Spaces CLI.
 
-### AKS clusters with API server authorized IP address ranges enabled
+### Error "Unable to reach kube-apiserver"
 
-If you have [API server authorized IP address ranges](../aks/api-server-authorized-ip-ranges.md) enabled for your AKS cluster, you must also [create](../aks/api-server-authorized-ip-ranges.md#create-an-aks-cluster-with-api-server-authorized-ip-ranges-enabled) or [update](../aks/api-server-authorized-ip-ranges.md#update-a-clusters-api-server-authorized-ip-ranges) your cluster to [allow additional ranges based on your region](https://github.com/Azure/dev-spaces/tree/master/public-ips).
+You might see this error when Azure Dev Spaces is unable to connect to your AKS cluster's API server. 
+
+If access to your AKS cluster API server is locked down or if you have [API server authorized IP address ranges](../aks/api-server-authorized-ip-ranges.md) enabled for your AKS cluster, you must also [create](../aks/api-server-authorized-ip-ranges.md#create-an-aks-cluster-with-api-server-authorized-ip-ranges-enabled) or [update](../aks/api-server-authorized-ip-ranges.md#update-a-clusters-api-server-authorized-ip-ranges) your cluster to [allow additional ranges based on your region](https://github.com/Azure/dev-spaces/tree/master/public-ips).
+
+Ensure that the API server is available by running kubectl commands. If the API server is unavailable, please contact AKS support and try again when the API server is working.
 
 ## Common issues when preparing your project for Azure Dev Spaces