An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Node restarted after being marked as NotReady
Posting this question again, as I was not allowed to comment under my already existing question. Our node was suddenly marked as NotReady, which then caused it to restart. It has been running with no issues over the past weeks, and no changes in its…
Azure Kubernetes Service
**Title:** Orphaned AzureKubernetesService serviceAssociationLink blocking subnet and VNet deletion after AKS cluster is gone
@AzureSupport Hi, I have an orphaned serviceAssociationLink on a subnet that is blocking deletion of the subnet, VNet, and resource group. The AKS cluster no longer exists but the SAL remains with "allowDelete": false — making it impossible to…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Azure AKS Outbound IP Scaling for Dual stack
Hi, We have AKS setup where we use Load Balancer as outbound type and have 1 Public IPv4 and 1 Public IPv6. These Public IPs have IP tags(service tag) attached as well. Now we are looking to scale our system and to avoid SNAT port exhaustion we are…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Compute quota requests are being auto-closed without action and are blocking AKS deployment
All compute quota requests and subscription-management support tickets for this subscription are being closed automatically without action, including tickets marked Severity A with phone contact. This is blocking production AKS deployment. I need manual…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Unable to Retrieve AKS Workloads via API
I am trying to retrieve workload details (Deployments, StatefulSets, DaemonSets, Jobs, CronJobs, and pod status) from an AKS cluster using APIs instead of kubectl. I need guidance on whether to use Azure Resource Manager APIs or directly the Kubernetes…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Why discrepency in node pool IP ranges with azure cni in AKS
I am seeing details as below related to networking in AKS But i see node ips as below not from above CIDR range right? why? Please clarify
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
AKS Node Auto Provisioning - NAP
Hello. We have an app deployed on AKS that is pre scaled on our peak business days. It would scale to hundreds of nodes on peak business days. There are multiple node pools for different services. Since NAP is GA, we decide to test it out. NAP is not an…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Self-hosted Karpenter in AKS - Nodes are in NotReady state due to CNI issues
What karpenter features are relevant? I use Azure CNI in AKS v1.32.x. NAP The Karpenter-provider-azure works fine when I enable it via NAP https://learn.microsoft.com/en-us/azure/aks/node-auto-provisioning. I can see the nodes in Ready state and they can…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Node restarted after being marked as NotReady
Our node was suddenly marked as NotReady, which then caused it to restart. It has been running with no issues over the past weeks, and no changes in its configuration are done. Our node is running on version v1.34.2 We have disabled the automatic OS…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Upgrade to 1.35.0 failing: InvalidOSDistro for Ubuntu 22.04 FIPS image
Context: We are trying to upgrade our AKS cluster from 1.34.2 to 1.35.0. We have FIPS enabled on our node pools. The Problem: The upgrade command fails during validation. It appears the cluster is trying to migrate our FIPS nodes to Ubuntu 22.04 (as…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
[AKS] KubeAPIErrorBudgetBurn CRITICAL – /readyz 500 after patch upgrade (2026-04-09)
Problem After the automatic patch upgrade on 2026-04-09 (maintenance window: weekly Wednesday 00:00 UTC), multiple API…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
AKS Node OS Image Update caused production outage
AKS Node OS Image Update causes production outage – Eraser Controller issue & Maintenance Window too long Incident On 01.04.2026, the automatic Node OS Image Update caused a complete production outage lasting 2.5 hours. After the node upgrade,…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Azure Kubernetes Fleet Manager: L4 Load Balancing (MCS) Traffic Failing for Specific Member Cluster
I'm currently testing the Multi-cluster L4 load balancing using Azure Kubernetes Fleet Manager. While the setup is partially working, I'm encountering a connectivity issue with one of the member clusters. 1. Environment Setup Fleet Manager: Hub-cluster…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Orphaned AzureKubernetesService serviceAssociationLink on subnet after AKS deletion — cannot delete subnet or VNet
Title: Orphaned AzureKubernetesService serviceAssociationLink blocking subnet and VNet deletion after AKS cluster is gone Subscription ID: Problem: I am unable to delete a subnet or its parent VNet because of a stale…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
In-Place Migration Failed for an AKS Cluster
I am performing a migration of an existing AKS cluster from the kubenet network plugin to Azure CNI overlay, as the cluster uses Calico for network policy. Based on Microsoft guidance, the migration involves the following steps: Remove Calico Update…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
Way to test virtual nodes usage in AKS
I want to test virtual nodes usage , is there any that i can create that scenario in my own lab before takes to prod. if yes please suggest
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
AKS Fails to provision E4as_v7 but will provision E4as_v6
"REDACTED cluster information" NodePool: Custom NodePool requesting Standard_E4as_v7 (4c/32GB), on-demand, capacity-type on-demand, zones 1/2/3 Behavior: Karpenter creates NodeClaims, Azure returns InsufficientCapacityError ("all requested…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
My application gateway is not exposing the service endpoints hosted on my private AKS cluster
Perhaps I am missing something in the listener and backend configuration, but not sure. I am not able to configure the endpoints, and the backend always results into 502 error.
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
network-plugin & settings for large AKS cluster?
I'm trying to create a large AKS cluster with 1k nodes. I'm running this command: az aks create --name myname --location mylocation --enable-managed-identity --nodepool-name default --resource-group myresourcegroup --node-vm-size Standard_B2s…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.
AKS (Azure CNI) – Why are Pod and Node CIDR ranges different?
I created an AKS cluster using Azure CNI with the following commands: az network vnet create -g RG -n aks-vnet --address-prefix 10.10.0.0/16 az network vnet subnet create -g RG --vnet-name aks-vnet -n aks-node-subnet --address-prefixes 10.10.1.0/24 az…
Azure Kubernetes Service
An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.