Update troubleshooting.md

Author: mayurigupta13

articles/azure-arc/kubernetes/troubleshooting.md

@@ -3,7 +3,7 @@ title: "Troubleshoot common Azure Arc-enabled Kubernetes issues"
 services: azure-arc
 ms.service: azure-arc
 #ms.subservice: azure-arc-kubernetes coming soon
-ms.date: 09/15/2022
+ms.date: 10/24/2022
 ms.topic: how-to
 description: "Learn how to resolve common issues with Azure Arc-enabled Kubernetes clusters and GitOps."
 keywords: "Kubernetes, Arc, Azure, containers, GitOps, Flux"
@@ -422,6 +422,14 @@ spec:
     app.kubernetes.io/name: flux-extension
 ```
 
+### Flux v2 - Installing the `microsoft.flux` extension in a cluster with Kubelet Identity enabled
+
+When working with Azure Kubernetes clusters, one of the authentication options to use is kubelet identity. In order to let Flux use this, add a parameter --config useKubeletIdentity=true at the time of Flux extension installation.
+
+```console
+az k8s-extension create --resource-group <resource-group> --cluster-name <cluster-name> --cluster-type managedClusters --name flux --extension-type microsoft.flux --config useKubeletIdentity=true
+```
+
 ### Flux v2 - `microsoft.flux` extension installation CPU and memory limits
 
 The controllers installed in your Kubernetes cluster with the Microsoft.Flux extension require the following CPU and memory resource limits to properly schedule on Kubernetes cluster nodes.