Master Azure VM Automation with Custom Script Extensions | Full Tutorial & Demo

Speed up your Azure Virtual Machine deployments and reduce manual post-deployment tasks using Azure Custom Script Extensions. In this tutorial, we walk through how to create and apply a custom PowerShell script to both new and existing Azure VMs, all within the Azure Portal. Learn how to automate tasks like running PowerShell commands, setting registry values, downloading and deploying applications, and installing apps with Chocolatey.

Whether you’re managing test environments, production workloads, or just getting started with automation in Azure, this video provides a practical, step-by-step demonstration. You’ll also learn tips for script logging, troubleshooting common extension issues, and best practices for writing idempotent and unattended scripts. Perfect for IT pros, sysadmins, and anyone working in Azure.

00:00 – Start
02:52 – Review the Custom Script
07:13 – Add the Script to a Storage Account
08:36 – Deploy on Existing Server
10:18 – Deploy on a New VM
11:28 – Troubleshoot Custom Script Extensions

Links
Free Azure guide! Subscribe to the newsletter
https://subscribepage.io/rbsIjt

A Beginner’s Guide to the AZ-900
https://www.udemy.com/course/beginners-guide-az-900/?referralCode=C74C266B74E837F86969

Zero to Hero with Azure Virtual Desktop
https://www.udemy.com/course/zero-to-hero-with-windows-virtual-desktop/?referralCode=B2FE49E6FCEE7A7EA8D4

Hybrid Identity with Windows AD and Azure AD
https://www.udemy.com/course/hybrid-identity-and-azure-active-directory/?referralCode=7F62C4C6FD05C73ACCC3

Windows 365 Enterprise and Intune Management
https://www.udemy.com/course/windows-365-enterprise-and-intune-management/?referralCode=4A1ED105341D0AA20D2E

Link to the code on GitHub
https://github.com/tsrob50/CiraltosTools

Blog post
https://www.ciraltos.com/master-azure-vm-automation-with-custom-script-extensions-full-tutorial-demo/