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If you’re trying to update the network settings for the OS disk of an existing virtual machine, here’s a simple solution that worked well for me. Follow these steps to modify the disk using a JSON template.
First, prepare a template that allows you to specify key details like the disk name, location, OS type, and network access policies. This template will help you update the disk without needing to recreate the entire VM. Make sure to fill in your specific information, such as the disk name, region, OS type, and desired network settings.
Here’s a straightforward example structure you can adapt:
– Set the disk name, location, and OS type.
– Define the disk size and image reference.
– Specify network access options, like enabling or disabling public network access.
– Choose the network access policy, such as allowing all, private only, or denying all.
– You can also set authentication modes for data access.
Once you’ve filled out this template with your details, deploy it through your Azure portal or CLI. This process updates the network settings for your existing OS disk smoothly.
Remember to test this approach first in a non-production environment to ensure it works as expected. If it doesn’t work for you, review your parameters and make sure they match your current setup.
This method has helped me streamline the task of updating network settings on an existing VM’s OS disk, and I hope it works just as well for you.




