Terraform no longer supports “azure” as a backend. So if you have a backend configuration that makes reference to the “azure” backend provider you will get the following warning:

All you need to do is change the following property in your backend configuration file:

To the following:

Nothing else has to change. Just re-initialize your terraform project and it will automatically migrate your states to the “new” provider. If you left your storage account the same it won’t change anything and continue to use the storage account you originally setup.

Done!