### Terraform Version ```shell Terraform v1.9.8 on darwin_arm64 ``` ### Terraform Configuration Files ```terraform # I understand the need for "subscription_id" and "resource_group_name" # in azurerm backend config when using "access keys" based AUTH, example code below : backend "azurerm" { subscription_id = "d4b99e03-5dc4-4874-b951-b6a7ea5f0e6c" # randomly generated GUID to emulate a real "subscription_id" resource_group_name = "resource_group_name" storage_account_name = "storage_account_name" container_name = "container_name" key = "terraform.tfstate" } # Technically speaking, terraform doesn't require "subscription_id" or "resource_group_name" # in azurerm backend config when using "RBAC" based AUTH. # However, currently, you need to pass a placeholder/dummy "subscription_id" # for terraform to configure the azurerm backend as expected, example code below : backend "azurerm" { subscription_id = "00000000-0000-0000-0000-000000000000" # placeholder/dummy "subscription_id" storage_account_name = "storage_account_name" container_name = "container_name" key = "terraform.tfstate" use_azuread_auth = true } ``` ### Debug Output n/a ### Expected Behavior ```terraform # The example code below should be a valid azurerm backend config : backend "azurerm" { storage_account_name = "storage_account_name" container_name = "container_name" key = "terraform.tfstate" use_azuread_auth = true } ``` ### Actual Behavior Got the following error message during `terraform init` stage : - Error building ARM Config: 1 error occurred: - A Subscription ID must be configured when authenticating as a Service Principal using a Client Secret. ### Steps to Reproduce `terraform init` ### Additional Context Environment variables : - ARM_CLIENT_ID - ARM_CLIENT_SECRET - ARM_TENANT_ID ### References Throwing in error code paths that I have looked at : https://github.com/hashicorp/terraform/blob/v1.9.8/internal/backend/remote-state/azure/arm_client.go#L102 https://github.com/hashicorp/go-azure-helpers/blob/v0.43.0/authentication/auth_method_client_secret.go#L88