From 3467e494c08a33033f3d1e47c39569affe68d1d7 Mon Sep 17 00:00:00 2001
From: ziyeqf <51212351+ziyeqf@users.noreply.github.com>
Date: Mon, 25 Dec 2023 14:15:56 +0800
Subject: [PATCH 1/2] `azurerm_iothub_device-update_account`- `sku` forces new
 now

---
 .../iothub/iothub_device_update_account_resource.go      | 9 ++-------
 .../docs/r/iothub_device_update_account.html.markdown    | 2 +-
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/internal/services/iothub/iothub_device_update_account_resource.go b/internal/services/iothub/iothub_device_update_account_resource.go
index dbb80d8016ff..6092ffb8fcc0 100644
--- a/internal/services/iothub/iothub_device_update_account_resource.go
+++ b/internal/services/iothub/iothub_device_update_account_resource.go
@@ -21,9 +21,7 @@ import (
 
 type IotHubDeviceUpdateAccountResource struct{}
 
-var (
-	_ sdk.ResourceWithUpdate = IotHubDeviceUpdateAccountResource{}
-)
+var _ sdk.ResourceWithUpdate = IotHubDeviceUpdateAccountResource{}
 
 type IotHubDeviceUpdateAccountModel struct {
 	Name                       string            `tfschema:"name"`
@@ -58,6 +56,7 @@ func (r IotHubDeviceUpdateAccountResource) Arguments() map[string]*pluginsdk.Sch
 
 		"sku": {
 			Type:     pluginsdk.TypeString,
+			ForceNew: true,
 			Optional: true,
 			Default:  deviceupdates.SKUStandard,
 			ValidateFunc: validation.StringInSlice([]string{
@@ -255,10 +254,6 @@ func (r IotHubDeviceUpdateAccountResource) Update() sdk.ResourceFunc {
 				existing.Properties.PublicNetworkAccess = &publicNetworkAccess
 			}
 
-			if metadata.ResourceData.HasChange("sku") {
-				existing.Properties.Sku = &model.Sku
-			}
-
 			if metadata.ResourceData.HasChange("tags") {
 				existing.Tags = &model.Tags
 			}
diff --git a/website/docs/r/iothub_device_update_account.html.markdown b/website/docs/r/iothub_device_update_account.html.markdown
index 3f88cddd45c5..a77433ebbfcc 100644
--- a/website/docs/r/iothub_device_update_account.html.markdown
+++ b/website/docs/r/iothub_device_update_account.html.markdown
@@ -47,7 +47,7 @@ The following arguments are supported:
 
 * `public_network_access_enabled` - (Optional) Specifies whether the public network access is enabled for the IoT Hub Device Update Account. Possible values are `true` and `false`. Defaults to `true`.
 
-* `sku` - (Optional) Sku of the IoT Hub Device Update Account. Possible values are `Free` and `Standard`. Defaults to `Standard`.
+* `sku` - (Optional) Sku of the IoT Hub Device Update Account. Possible values are `Free` and `Standard`. Defaults to `Standard`. Changing this forces a new resource to be created.
 
 * `tags` - (Optional) A mapping of tags which should be assigned to the IoT Hub Device Update Account.
 

From fedb38ba1aa49e81fd1f713bd25bae6ff3836227 Mon Sep 17 00:00:00 2001
From: ziyeqf <51212351+ziyeqf@users.noreply.github.com>
Date: Wed, 3 Jan 2024 15:39:07 +0800
Subject: [PATCH 2/2] remove sku test

---
 ...hub_device_update_account_resource_test.go | 36 -------------------
 1 file changed, 36 deletions(-)

diff --git a/internal/services/iothub/iothub_device_update_account_resource_test.go b/internal/services/iothub/iothub_device_update_account_resource_test.go
index 327cd5e69c22..56b52a7b1766 100644
--- a/internal/services/iothub/iothub_device_update_account_resource_test.go
+++ b/internal/services/iothub/iothub_device_update_account_resource_test.go
@@ -120,27 +120,6 @@ func TestAccIotHubDeviceUpdateAccount_publicNetworkAccess(t *testing.T) {
 	})
 }
 
-func TestAccIotHubDeviceUpdateAccount_sku(t *testing.T) {
-	data := acceptance.BuildTestData(t, "azurerm_iothub_device_update_account", "test")
-	r := IotHubDeviceUpdateAccountResource{}
-	data.ResourceTest(t, r, []acceptance.TestStep{
-		{
-			Config: r.sku(data, "Free"),
-			Check: acceptance.ComposeTestCheckFunc(
-				check.That(data.ResourceName).ExistsInAzure(r),
-			),
-		},
-		data.ImportStep(),
-		{
-			Config: r.sku(data, "Standard"),
-			Check: acceptance.ComposeTestCheckFunc(
-				check.That(data.ResourceName).ExistsInAzure(r),
-			),
-		},
-		data.ImportStep(),
-	})
-}
-
 func TestAccIotHubDeviceUpdateAccount_tags(t *testing.T) {
 	data := acceptance.BuildTestData(t, "azurerm_iothub_device_update_account", "test")
 	r := IotHubDeviceUpdateAccountResource{}
@@ -334,21 +313,6 @@ resource "azurerm_iothub_device_update_account" "test" {
 `, template, data.RandomString, enabled)
 }
 
-func (r IotHubDeviceUpdateAccountResource) sku(data acceptance.TestData, sku string) string {
-	template := r.template(data)
-	return fmt.Sprintf(`
-%s
-
-resource "azurerm_iothub_device_update_account" "test" {
-  name                = "acc-dua-%s"
-  resource_group_name = azurerm_resource_group.test.name
-  location            = azurerm_resource_group.test.location
-
-  sku = "%s"
-}
-`, template, data.RandomString, sku)
-}
-
 func (r IotHubDeviceUpdateAccountResource) tags(data acceptance.TestData) string {
 	template := r.template(data)
 	return fmt.Sprintf(`