Azure Vmss Custom Script Extension, That is, When a VMSS instance is created or reimaged, the customScript extension will be provisioned only after all extensions that it depends on have been provisioned. Aug 5, 2025 · how to use Azure Custom Script Extensions to automate configuration on both new and existing Windows-based Azure VMs. Use this extension for post-deployment configuration, software installation, or any other configuration or management task. Jan 3, 2021 · Sometimes it is very useful to be able to run a script on a virtual machine. Jan 21, 2025 · Custom Script Extension and Run Command are tools Azure provides to execute scripts or commands on virtual machines after deployment. Feb 8, 2025 · Learn how to deploy Custom Script Extensions on Azure VMSS for automated post-deployment setup, best practices, and troubleshooting tips. The cloud-init process is intended to bootstrap base VM configuration such as hardening tools and son on while the custom script is meant to deploy application specific code. While they seem similar, they serve slightly different purposes and have unique use cases. This extension is useful for post deployment configuration, software installation, or any other configuration / management task. Intro Learn Docs Extend Community Status Privacy Security Terms Press Kit. Luckily, this can be achieved using Custom Script Extension. Nov 30, 2018 · Once the VMSS is up, I wanted to execute a shell script as part of the VMSS extension. This is what I tried but the script didn't execute. The Custom Script Extension for Windows allows any PowerShell script to run on a VM. Jun 21, 2021 · For some good reasons I need to have a cloud-init process and a custom script extension on a VMSS. In Azure, the custom script extension provides this ability to run scripts. Dec 17, 2019 · This script may install additional software, configure the VM, or perform some other management task. Oct 9, 2023 · Actually the answer was already in here: Azure VM Scaleset custom script extension not working - possibly failing to get VM identity? When using managed identity pass an empty block: Is there anyway to configure custom script extension on scale set instances on demand like on regular virtual machines? For now, Azure does not support this. More information about VMSS extension, please refer to this link. Oct 24, 2017 · I'm trying to provision some VMs on Azure and immediately after customize them with a script. When Windows Azure VMs are combined with tools like Chocolatey, it becomes possible to initialize a new VM with almost any software you require. Custom scripts are useful for designing Azure deployments that require configuration beyond what native Azure tooling can provide. Set an extension which depends on two previously set extensions. Recently, there was a post about Custom Script Extension for Windows, however, there’s a similar functionality for Linux VMs. wtd, tsgaqn, pquo, 1foc, cofm6fu, by, y6vk, sy5wju, ssuf0lag, xn1rjvds, \