diff --git a/builtin/providers/azure/resource_azure_hosted_service_test.go b/builtin/providers/azure/resource_azure_hosted_service_test.go
index bbad19632..fb1a71934 100644
--- a/builtin/providers/azure/resource_azure_hosted_service_test.go
+++ b/builtin/providers/azure/resource_azure_hosted_service_test.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
@@ -11,16 +12,19 @@ import (
 func TestAccAzureHostedServiceBasic(t *testing.T) {
 	name := "azure_hosted_service.foo"
 
+	hostedServiceName := fmt.Sprintf("terraform-testing-service%d", acctest.RandInt())
+	config := fmt.Sprintf(testAccAzureHostedServiceBasic, hostedServiceName)
+
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAzureHostedServiceDestroyed,
 		Steps: []resource.TestStep{
 			resource.TestStep{
-				Config: testAccAzureHostedServiceBasic,
+				Config: config,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureHostedServiceExists(name),
-					resource.TestCheckResourceAttr(name, "name", "terraform-testing-service"),
+					resource.TestCheckResourceAttr(name, "name", hostedServiceName),
 					resource.TestCheckResourceAttr(name, "location", "North Europe"),
 					resource.TestCheckResourceAttr(name, "ephemeral_contents", "false"),
 					resource.TestCheckResourceAttr(name, "description", "very discriptive"),
@@ -34,16 +38,21 @@ func TestAccAzureHostedServiceBasic(t *testing.T) {
 func TestAccAzureHostedServiceUpdate(t *testing.T) {
 	name := "azure_hosted_service.foo"
 
+	hostedServiceName := fmt.Sprintf("terraform-testing-service%d", acctest.RandInt())
+
+	basicConfig := fmt.Sprintf(testAccAzureHostedServiceBasic, hostedServiceName)
+	updateConfig := fmt.Sprintf(testAccAzureHostedServiceUpdate, hostedServiceName)
+
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAzureHostedServiceDestroyed,
 		Steps: []resource.TestStep{
 			resource.TestStep{
-				Config: testAccAzureHostedServiceBasic,
+				Config: basicConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureHostedServiceExists(name),
-					resource.TestCheckResourceAttr(name, "name", "terraform-testing-service"),
+					resource.TestCheckResourceAttr(name, "name", hostedServiceName),
 					resource.TestCheckResourceAttr(name, "location", "North Europe"),
 					resource.TestCheckResourceAttr(name, "ephemeral_contents", "false"),
 					resource.TestCheckResourceAttr(name, "description", "very discriptive"),
@@ -52,10 +61,10 @@ func TestAccAzureHostedServiceUpdate(t *testing.T) {
 			},
 
 			resource.TestStep{
-				Config: testAccAzureHostedServiceUpdate,
+				Config: updateConfig,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureHostedServiceExists(name),
-					resource.TestCheckResourceAttr(name, "name", "terraform-testing-service"),
+					resource.TestCheckResourceAttr(name, "name", hostedServiceName),
 					resource.TestCheckResourceAttr(name, "location", "North Europe"),
 					resource.TestCheckResourceAttr(name, "ephemeral_contents", "true"),
 					resource.TestCheckResourceAttr(name, "description", "very discriptive"),
@@ -105,7 +114,7 @@ func testAccCheckAzureHostedServiceDestroyed(s *terraform.State) error {
 
 const testAccAzureHostedServiceBasic = `
 resource "azure_hosted_service" "foo" {
-	name = "terraform-testing-service"
+	name = "%s"
 	location = "North Europe"
     ephemeral_contents = false
 	description = "very discriptive"
@@ -114,7 +123,7 @@ resource "azure_hosted_service" "foo" {
 `
 const testAccAzureHostedServiceUpdate = `
 resource "azure_hosted_service" "foo" {
-	name = "terraform-testing-service"
+	name = "%s"
 	location = "North Europe"
     ephemeral_contents = true
 	description = "very discriptive"
diff --git a/builtin/providers/azure/resource_azure_instance_test.go b/builtin/providers/azure/resource_azure_instance_test.go
index adbd5bfd9..51ca0f5eb 100644
--- a/builtin/providers/azure/resource_azure_instance_test.go
+++ b/builtin/providers/azure/resource_azure_instance_test.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/Azure/azure-sdk-for-go/management"
 	"github.com/Azure/azure-sdk-for-go/management/virtualmachine"
+	"github.com/hashicorp/terraform/helper/acctest"
 	"github.com/hashicorp/terraform/helper/resource"
 	"github.com/hashicorp/terraform/terraform"
 )
@@ -46,21 +47,25 @@ func TestAccAzureInstance_basic(t *testing.T) {
 func TestAccAzureInstance_separateHostedService(t *testing.T) {
 	var dpmt virtualmachine.DeploymentResponse
 
+	hostedServiceName := fmt.Sprintf("terraform-testing-service%d", acctest.RandInt())
+
+	config := fmt.Sprintf(testAccAzureInstance_separateHostedService, hostedServiceName, instanceName, testAccStorageServiceName)
+
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
 		CheckDestroy: testAccCheckAzureInstanceDestroyed(testAccHostedServiceName),
 		Steps: []resource.TestStep{
 			resource.TestStep{
-				Config: testAccAzureInstance_separateHostedService,
+				Config: config,
 				Check: resource.ComposeTestCheckFunc(
 					testAccCheckAzureInstanceExists(
-						"azure_instance.foo", testAccHostedServiceName, &dpmt),
+						"azure_instance.foo", hostedServiceName, &dpmt),
 					testAccCheckAzureInstanceBasicAttributes(&dpmt),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "name", instanceName),
 					resource.TestCheckResourceAttr(
-						"azure_instance.foo", "hosted_service_name", "terraform-testing-service"),
+						"azure_instance.foo", "hosted_service_name", hostedServiceName),
 					resource.TestCheckResourceAttr(
 						"azure_instance.foo", "location", "West US"),
 					resource.TestCheckResourceAttr(
@@ -441,7 +446,7 @@ resource "azure_instance" "foo" {
     }
 }`, instanceName, testAccStorageServiceName)
 
-var testAccAzureInstance_separateHostedService = fmt.Sprintf(`
+var testAccAzureInstance_separateHostedService = `
 resource "azure_hosted_service" "foo" {
 	name = "%s"
 	location = "West US"
@@ -464,7 +469,7 @@ resource "azure_instance" "foo" {
         public_port = 22
         private_port = 22
     }
-}`, testAccHostedServiceName, instanceName, testAccStorageServiceName)
+}`
 
 var testAccAzureInstance_advanced = fmt.Sprintf(`
 resource "azure_virtual_network" "foo" {