Deploy associations for a custom resource provider using Azure Policy

Azure policies can be used to deploy associations to associate resources to a custom resource provider. In this article, we describe a built-in policy that deploys associations and how you can use that policy.

Built-in policy to deploy associations

Deploy associations for a custom resource provider is a built-in policy that can be used to deploy association to associate a resource to a custom resource provider. The policy accepts three parameters:

  • Custom resource provider ID - This ID is the resource ID of the custom resource provider to which the resources need to be associated.
  • Resource types to associate - These resource types are the list of resource types to be associated to the custom resource provider. You can associate multiple resource types to a custom resource provider using the same policy.
  • Association name prefix - This string is the prefix to be added to the name of the association resource being created. The default value is "DeployedByPolicy".

The policy uses DeployIfNotExists evaluation. It runs after a Resource Provider has handled a create or update resource request and the evaluation has returned a success status code. After that, the association resource gets deployed using a template deployment. For more information on associations, see Azure Custom Resource Providers resource onboarding

How to use the deploy associations built-in policy


If the custom resource provider needs permissions to the scope of the policy to perform an action, the policy deployment of association resource wouldn't work without granting the permissions.

Policy assignment

To use the built-in policy, create a policy assignment and assign the Deploy associations for a custom resource provider policy. The policy will then identify non-compliant resources and deploy association for those resources.

Assign built-in policy

Getting help

If you have questions about Azure Custom Resource Providers development, try asking them on Stack Overflow. A similar question might have already been answered, so check first before posting. Add the tag azure-custom-providers to get a fast response!

Next steps

In this article, you learnt about using built-in policy to deploy associations. See these articles to learn more: