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This walktrough demonstrates how to create a custom role in azure to allow a specific user or group to Start/Stop a Virtual Machine on Azure.

For more information:

  • Azure Custom Roles: https://docs.microsoft.com/it-it/azure/role-based-access-control/custom-roles
  • Azure Compute Actions: https://docs.microsoft.com/en-us/azure/role-based-access-control/resource-provider-operations#microsoftcompute

How to create a custom role

From https://portal.azure.com go to the cloud shell using the toolbar button.

cloud shell

It will open the Azure command line interface.

Click on “open editor” button.

open editor

and paste the following JSON

  "Name": "Virtual Machine User (Read/Start/Stop)",
  "IsCustom": true,
  "Description": "Can deallocate, start  and restart virtual machines.",
  "Actions": [
  "NotActions": [],
  "AssignableScopes": [

Replace XXXXXXX with your subscription’s guid.

Click [save] and as name use “vm-start-stop.json”.

In the cloud shell window type:

az role definition create --role-definition vm-start-stop.json

How to use it

Once created, a new custom role is available in Access Control (IAM) as shown below.

IAM role assignment