466 questions with Azure Virtual Machine Scale Sets tags

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3 answers One of the answers was accepted by the question author.

Clarification on Impact of Default Outbound Access Retirement for VMSS VMs

Hi We would like to confirm the impact of the upcoming retirement of Default outbound access for VMs in Azure on our Virtual Machine Scale Set (VMSS) workloads. Currently, we are using VMSS-based VMs for on-demand deployments in conformance test…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-22T08:26:40.8133333+00:00
Koteru Reddy (LTIMindtree Limited) 20 Reputation points Microsoft External Staff
accepted 2025-08-29T04:05:07.7633333+00:00
Koteru Reddy (LTIMindtree Limited) 20 Reputation points Microsoft External Staff
1 answer One of the answers was accepted by the question author.

How to get the port mapping for Azure VM in VMSS with Load Balancer dynamic pool

I have a Virtual Machine Scale Set (VMSS) with a load balancer with a single public IP, the load balancer is dynamically assigning a public port for each VM instance in the VMSS, so each instance can be accessed directly with the same public IP and…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-22T22:06:02.44+00:00
JAMES MCCLELLAN 20 Reputation points
accepted 2025-08-25T13:23:52.4466667+00:00
JAMES MCCLELLAN 20 Reputation points
1 answer One of the answers was accepted by the question author.

How to automate Windows Update on Azure VM Scale Sets with Service Fabric

Hi everyone, We have a few Virtual Machine Scale Sets in Azure running Windows, and inside each scale set we have several instances. These are managed using Service Fabric. The problem: We are struggling to find a smooth way to apply Windows Updates to…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-05T10:57:57.0166667+00:00
mrcode 51 Reputation points
commented 2025-08-25T04:12:25.4166667+00:00
Jilakara Hemalatha 340 Reputation points Microsoft External Staff Moderator
2 answers

I have created a VMSS and cannot connect to the backend pool using ssh

All instances are healthy, and diagnostic does not find anything wrong.

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-20T04:49:48.9233333+00:00
Matteo Interlandi 25 Reputation points Microsoft Employee
answered 2025-08-22T17:52:41.59+00:00
Matteo Interlandi 25 Reputation points Microsoft Employee
2 answers

Only 19 of the VMs on my VMSS are running. I want to run 80 instances for a university course

I am having difficulty starting all the Virtual Machines in my VMSS. I want to run 80 instances for a university course, but only 19 of the 80 VM instances are able to run. I have a developer account, and I have an accepted quota of running 80 instances…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-15T10:53:17.9233333+00:00
CS5285 CS5285 0 Reputation points
commented 2025-08-21T11:15:27.7533333+00:00
Rashmika Inagadapa 230 Reputation points Microsoft External Staff Moderator
4 answers One of the answers was accepted by the question author.

Message: The value 'SystemAssigned, UserAssigned' of parameter 'identity' is not allowed. Allowed values are: UserAssigned, None.

Message: The value 'SystemAssigned, UserAssigned' of parameter 'identity' is not allowed. Allowed values are: UserAssigned, None. I am unable to enabled SystemAssigned Identity on my VMSS even though the API version I am using says this is an allowed…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-11T15:24:43.2033333+00:00
Anthony Pirolli 20 Reputation points Microsoft Employee
accepted 2025-08-20T16:13:54.7866667+00:00
Anthony Pirolli 20 Reputation points Microsoft Employee
0 answers

VMSS -OS Upgrade

HI MS, I am new to the Azure VMSS. I have created a VMSS ( unified ) with manual upgrade policy. with the custom image 2016. Now i want to upgrade the VM stances with new OS 2022. Is there any possibility to upgrade my VM instance OS without losing the…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-11T14:41:27.9666667+00:00
kubernetes king 0 Reputation points
edited a comment 2025-08-14T18:35:06.6366667+00:00
Satish Mada 275 Reputation points Microsoft External Staff Moderator
4 answers

unable to set up Virtual Machine Scale Sets (VMSS) nor AKS cluster

Hello, I am part of pay-as-you-go subscription with Azure. Unable to set up VMSS nor AKS cluster. The options are enabled but nothing happens on click. After waiting for a long time there is an error encountered. Same issue while creating AKS cluster as…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-23T09:35:47.0833333+00:00
Nagaraj KV 0 Reputation points
commented 2025-08-13T06:04:07.0633333+00:00
Durga Reshma Malthi 11,400 Reputation points Microsoft External Staff Moderator
0 answers

Azure: unable to delete a load balancer because some associated resources belongs to another subscriptions

I'm asking for help on a forum because I'm stuck with this problem: I want to delete a resource group that is no longer being used. Apparently, it looks like someone once attempted a Kubernetes installation (AKS), and there are remnants of that…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-30T09:35:44.04+00:00
rmonjo 5 Reputation points
commented 2025-08-05T14:17:18.69+00:00
Timothy Glenn 5 Reputation points
1 answer

agent pool is in a non-terminal state, stopping cannot be performed.

I've created an aks cluster with one user nodepool apart from the system nodepool, where mincount and maxcount is 1. (the purpose of this nodepool is to host the database servers) Note: also using the managed ssd's attached to the pods running on…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-08-05T10:39:46.43+00:00
Manoj Bukka 0 Reputation points
answered 2025-08-05T11:18:10.7666667+00:00
Durga Reshma Malthi 11,400 Reputation points Microsoft External Staff Moderator
1 answer

I am not able to delete resources in my resource group

I am trying to delete the VMSS and other resources but I am getting error as these resources are marked as Delete and can not be modified. I tried multiple times and also tried to delete one by one independent resources but nothing is working.

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-31T09:43:42.0066667+00:00
Devdatta Jadhav 0 Reputation points
commented 2025-08-05T09:46:15.2233333+00:00
Durga Reshma Malthi 11,400 Reputation points Microsoft External Staff Moderator
3 answers

Patching Azure VMSS using Azure update mangement

How to do patching on a azure VMSS using Azure update management , What is the process to do it , we are patching VM's using update management , is it possible to patch VMSS also , and what are the things that we need to take care.

Azure Automation
Azure Automation
An Azure service that is used to automate, configure, and install updates across hybrid environments.
1,404 questions
Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
Azure Update Manager
Azure Update Manager
An Azure service to centrally manages updates and compliance at scale.
381 questions
asked 2023-01-06T05:34:00.2+00:00
Azure-learning 56 Reputation points
edited a comment 2025-07-31T23:48:35.14+00:00
Sam Niall 0 Reputation points
1 answer

Vmss nodes stuck during deallocating with NetworkingInternalOperation error during maintenance

We received a maintenance notification for our VMSS with tracking ID: 7SY2-VV0 Action Required: Urgent preventive repair may affect one or more of your virtual machines in westeurope You are receiving this notice because you currently use Azure Virtual…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-25T09:15:39.3766667+00:00
Niels Witte 0 Reputation points
commented 2025-07-29T15:50:14.6366667+00:00
Nikhil Duserla 8,595 Reputation points Microsoft External Staff Moderator
0 answers

Getting provisioning failed error after doing reimage to VMSS agent

The steps I have undertaken that resulted in an error are as follows: I increased the disk size, for instance, from 256 GB to 356 GB. Subsequently, I attempted to reimage the virtual machine scale set. This operation failed, and the current provision…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-10T10:11:11.61+00:00
Avinash Davkhar 80 Reputation points
commented 2025-07-24T07:51:08.2233333+00:00
Avinash Davkhar 80 Reputation points
2 answers

How to reboot VMs in a VMSS after an ARM Template Custom Script Extension is ran?

I created an ARM Template Microsoft.Compute/virtualMachineScaleSets/extensions CustomScriptExtension which is modifying 2 registry values. In order to pick up the changes I need to either restart the HTTP Service or reboot. What is the best way to do…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-09T19:37:25.8366667+00:00
Jerred Moss 0 Reputation points Microsoft Employee
answered 2025-07-14T11:11:58.08+00:00
Anusree Nashetty 6,225 Reputation points Microsoft External Staff Moderator
0 answers

Cannot delete service fabric node, stuck in marked for deletion

Hello, We are experiencing a critical platform-level issue with our Azure environment. Our VM Scale Set named 'rproxy' in resource group 'smtemp-application-rg' is stuck in a "Marked for Deletion" state. This is blocking deletion of a dependent…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-11T16:42:13.2133333+00:00
Adam Shehadeh 0 Reputation points
commented 2025-07-14T05:24:28.3233333+00:00
Anusree Nashetty 6,225 Reputation points Microsoft External Staff Moderator
4 answers One of the answers was accepted by the question author.

How does VMSS predictive autoscaling works? I enabled it but no automatic scale out happed even after 15 days when predictive chart starts showing data

Hi Team, Azure VMSS is unable to scale out automatic when predictive auto is enabled and Average Percentage CPU is much higher compared to value shown in Predictive chart. How does it actually work, Do i need to set a static thershold after reviwing…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-07-09T14:36:19.2833333+00:00
Pranshul G 40 Reputation points
answered 2025-07-09T15:52:29.9866667+00:00
Nikhil Duserla 8,595 Reputation points Microsoft External Staff Moderator
1 answer

Can we train Azure virtual machine Scale sets predictive auto-scale model with our past data.

The new feature of azure VMSS is predictive auto-scaling using a inbuilt ML- model and trainig with the real time data , it starts prediction after a minimum of 7 days of deployment. So my question is this , can we provide our previous data, suppose…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2023-03-21T10:33:32.73+00:00
Kushal JAIN 0 Reputation points
commented 2025-07-09T14:56:11.72+00:00
Pranshul G 40 Reputation points
2 answers

VMSS Restart Unexpectedly Causing an Unplanned Outage

Hi we have two Virtual Machine Scale Sets that restarted unexpectedly yesterday evening causing an unplanned outage. What should we try to diagnose the issue, prevent it from happening, and mitigate the outage when it does happen? Thanks!

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-06-30T18:07:20.83+00:00
Dean Ferley 0 Reputation points
answered 2025-07-01T22:36:48.38+00:00
Anusree Nashetty 6,225 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Azure nodes in a VMSS node pool start but do not enter the Ready state

Hi experts, I have deployed an AKS cluster with 3 node pools. One of them is a D8s V6 based node pool with minimum=0 and maximum=3 machines. The node pool Autoscaling Status in AKS reports it is "Scaling Up" with 2 Target nodes but it reports 0…

Azure Virtual Machine Scale Sets
Azure Virtual Machine Scale Sets
Azure compute resources that are used to create and manage groups of heterogeneous load-balanced virtual machines.
466 questions
asked 2025-06-30T05:09:18.44+00:00
Eyal Gonen 20 Reputation points
accepted 2025-07-01T07:58:12.49+00:00
Eyal Gonen 20 Reputation points