diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
index 951fc475ea7..bb674d85ada 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure.go
@@ -73,7 +73,9 @@ import (
 
 const (
 	// CloudProviderName is the value used for the --cloud-provider flag
-	CloudProviderName      = "azure"
+	CloudProviderName = "azure"
+	// AzureStackCloudName is the cloud name of Azure Stack
+	AzureStackCloudName    = "AZURESTACKCLOUD"
 	rateLimitQPSDefault    = 1.0
 	rateLimitBucketDefault = 5
 	backoffRetriesDefault  = 6
@@ -609,6 +611,7 @@ func (az *Cloud) configAzureClients(
 
 func (az *Cloud) getAzureClientConfig(servicePrincipalToken *adal.ServicePrincipalToken) *azclients.ClientConfig {
 	azClientConfig := &azclients.ClientConfig{
+		CloudName:               az.Config.Cloud,
 		Location:                az.Config.Location,
 		SubscriptionID:          az.Config.SubscriptionID,
 		ResourceManagerEndpoint: az.Environment.ResourceManagerEndpoint,
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_standard.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_standard.go
index 1a92fdc6652..d1ab0fa753e 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_standard.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_standard.go
@@ -141,7 +141,7 @@ func (as *availabilitySet) DetachDisk(diskName, diskURI string, nodeName types.N
 			(disk.ManagedDisk != nil && diskURI != "" && strings.EqualFold(*disk.ManagedDisk.ID, diskURI)) {
 			// found the disk
 			klog.V(2).Infof("azureDisk - detach disk: name %q uri %q", diskName, diskURI)
-			if strings.EqualFold(as.cloud.Environment.Name, "AZURESTACKCLOUD") {
+			if strings.EqualFold(as.cloud.Environment.Name, AzureStackCloudName) {
 				disks = append(disks[:i], disks[i+1:]...)
 			} else {
 				disks[i].ToBeDetached = to.BoolPtr(true)
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_vmss.go b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_vmss.go
index e867239491f..8777a1e42fd 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_vmss.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/azure_controller_vmss.go
@@ -143,7 +143,7 @@ func (ss *scaleSet) DetachDisk(diskName, diskURI string, nodeName types.NodeName
 			(disk.ManagedDisk != nil && diskURI != "" && strings.EqualFold(*disk.ManagedDisk.ID, diskURI)) {
 			// found the disk
 			klog.V(2).Infof("azureDisk - detach disk: name %q uri %q", diskName, diskURI)
-			if strings.EqualFold(ss.cloud.Environment.Name, "AZURESTACKCLOUD") {
+			if strings.EqualFold(ss.cloud.Environment.Name, AzureStackCloudName) {
 				disks = append(disks[:i], disks[i+1:]...)
 			} else {
 				disks[i].ToBeDetached = to.BoolPtr(true)
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/azure_client_config.go b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/azure_client_config.go
index cd1f8775289..e6bafd884b2 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/azure_client_config.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/azure_client_config.go
@@ -26,6 +26,7 @@ import (
 
 // ClientConfig contains all essential information to create an Azure client.
 type ClientConfig struct {
+	CloudName               string
 	Location                string
 	SubscriptionID          string
 	ResourceManagerEndpoint string
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/azure_storageaccountclient.go b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/azure_storageaccountclient.go
index 856ca92c523..47146368d98 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/azure_storageaccountclient.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/azure_storageaccountclient.go
@@ -22,6 +22,7 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"strings"
 	"time"
 
 	"github.com/Azure/azure-sdk-for-go/services/storage/mgmt/2019-06-01/storage"
@@ -57,7 +58,11 @@ type Client struct {
 func New(config *azclients.ClientConfig) *Client {
 	baseURI := config.ResourceManagerEndpoint
 	authorizer := config.Authorizer
-	armClient := armclient.New(authorizer, baseURI, config.UserAgent, APIVersion, config.Location, config.Backoff)
+	apiVersion := APIVersion
+	if strings.EqualFold(config.CloudName, AzureStackCloudName) {
+		apiVersion = AzureStackCloudAPIVersion
+	}
+	armClient := armclient.New(authorizer, baseURI, config.UserAgent, apiVersion, config.Location, config.Backoff)
 	rateLimiterReader, rateLimiterWriter := azclients.NewRateLimiter(config.RateLimitConfig)
 
 	klog.V(2).Infof("Azure StorageAccountClient (read ops) using rate limit config: QPS=%g, bucket=%d",
diff --git a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/interface.go b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/interface.go
index 5a0112c2397..557ec512992 100644
--- a/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/interface.go
+++ b/staging/src/k8s.io/legacy-cloud-providers/azure/clients/storageaccountclient/interface.go
@@ -28,6 +28,10 @@ import (
 const (
 	// APIVersion is the API version for network.
 	APIVersion = "2019-06-01"
+	// AzureStackCloudAPIVersion is the API version for Azure Stack
+	AzureStackCloudAPIVersion = "2018-02-01"
+	// AzureStackCloudName is the cloud name of Azure Stack
+	AzureStackCloudName = "AZURESTACKCLOUD"
 )
 
 // Interface is the client interface for StorageAccounts.