diff --git a/builtin/providers/azure/resource_azure_instance_test.go b/builtin/providers/azure/resource_azure_instance_test.go
index 1125fc9f3..755bed308 100644
--- a/builtin/providers/azure/resource_azure_instance_test.go
+++ b/builtin/providers/azure/resource_azure_instance_test.go
@@ -348,7 +348,7 @@ resource "azure_security_group" "foo" {
 
 resource "azure_security_group_rule" "foo" {
     name = "rdp"
-    security_group_name = "${azure_security_group.foo.name}"
+    security_group_names = ["${azure_security_group.foo.name}"]
     priority = 101
     source_address_prefix = "*"
     source_port_range = "*"
@@ -404,7 +404,7 @@ resource "azure_security_group" "foo" {
 
 resource "azure_security_group_rule" "foo" {
     name = "rdp"
-    security_group_name = "${azure_security_group.foo.name}"
+    security_group_names = ["${azure_security_group.foo.name}"]
     priority = 101
     source_address_prefix = "*"
     source_port_range = "*"
@@ -422,7 +422,7 @@ resource "azure_security_group" "bar" {
 
 resource "azure_security_group_rule" "bar" {
     name = "rdp"
-    security_group_name = "${azure_security_group.bar.name}"
+    security_group_names = ["${azure_security_group.bar.name}"]
     priority = 101
     source_address_prefix = "192.168.0.0/24"
     source_port_range = "*"
diff --git a/builtin/providers/azure/resource_azure_security_group_rule.go b/builtin/providers/azure/resource_azure_security_group_rule.go
index 9adf7451d..f4f946db5 100644
--- a/builtin/providers/azure/resource_azure_security_group_rule.go
+++ b/builtin/providers/azure/resource_azure_security_group_rule.go
@@ -16,7 +16,6 @@ func resourceAzureSecurityGroupRule() *schema.Resource {
 		Create: resourceAzureSecurityGroupRuleCreate,
 		Read:   resourceAzureSecurityGroupRuleRead,
 		Update: resourceAzureSecurityGroupRuleUpdate,
-		Exists: resourceAzureSecurityGroupRuleExists,
 		Delete: resourceAzureSecurityGroupRuleDelete,
 
 		Schema: map[string]*schema.Schema{
@@ -26,11 +25,15 @@ func resourceAzureSecurityGroupRule() *schema.Resource {
 				ForceNew:    true,
 				Description: parameterDescriptions["name"],
 			},
-			"security_group_name": &schema.Schema{
-				Type:        schema.TypeString,
+			"security_group_names": &schema.Schema{
+				Type:        schema.TypeSet,
 				Required:    true,
 				ForceNew:    true,
-				Description: parameterDescriptions["netsecgroup_secgroup_name"],
+				Description: parameterDescriptions["netsecgroup_secgroup_names"],
+				Elem: &schema.Schema{
+					Type: schema.TypeString,
+				},
+				Set: schema.HashString,
 			},
 			"type": &schema.Schema{
 				Type:        schema.TypeString,
@@ -97,18 +100,24 @@ func resourceAzureSecurityGroupRuleCreate(d *schema.ResourceData, meta interface
 		Protocol:                 netsecgroup.RuleProtocol(d.Get("protocol").(string)),
 	}
 
-	// send the create request to Azure:
-	log.Println("[INFO] Sending network security group rule creation request to Azure.")
-	reqID, err := secGroupClient.SetNetworkSecurityGroupRule(
-		d.Get("security_group_name").(string),
-		rule,
-	)
-	if err != nil {
-		return fmt.Errorf("Error sending network security group rule creation request to Azure: %s", err)
-	}
-	err = mgmtClient.WaitForOperation(reqID, nil)
-	if err != nil {
-		return fmt.Errorf("Error creating network security group rule on Azure: %s", err)
+	// apply the rule to all the necessary network security groups:
+	secGroups := d.Get("security_group_names").(*schema.Set).List()
+	for _, sg := range secGroups {
+		secGroup := sg.(string)
+
+		// send the create request to Azure:
+		log.Printf("[INFO] Sending Azure security group rule addition request for security group %q.", secGroup)
+		reqID, err := secGroupClient.SetNetworkSecurityGroupRule(
+			secGroup,
+			rule,
+		)
+		if err != nil {
+			return fmt.Errorf("Error sending Azure network security group rule creation request for security group %q: %s", secGroup, err)
+		}
+		err = mgmtClient.WaitForOperation(reqID, nil)
+		if err != nil {
+			return fmt.Errorf("Error creating Azure network security group rule for security group %q: %s", secGroup, err)
+		}
 	}
 
 	d.SetId(name)
@@ -121,89 +130,61 @@ func resourceAzureSecurityGroupRuleRead(d *schema.ResourceData, meta interface{}
 	azureClient := meta.(*Client)
 	secGroupClient := azureClient.secGroupClient
 
-	secGroupName := d.Get("security_group_name").(string)
-
-	// get info on the network security group and check its rules for this one:
-	log.Println("[INFO] Sending network security group rule query to Azure.")
-	secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
-	if err != nil {
-		if !management.IsResourceNotFoundError(err) {
-			return fmt.Errorf("Error issuing network security group rules query: %s", err)
-		} else {
-			// it meants that the network security group this rule belonged to has
-			// been deleted; so we must remove this resource from the schema:
-			d.SetId("")
-			return nil
-		}
-	}
-
-	// find our security rule:
 	var found bool
 	name := d.Get("name").(string)
-	for _, rule := range secgroup.Rules {
-		if rule.Name == name {
-			found = true
-			log.Println("[DEBUG] Reading state of Azure network security group rule.")
 
-			d.Set("type", rule.Type)
-			d.Set("priority", rule.Priority)
-			d.Set("action", rule.Action)
-			d.Set("source_address_prefix", rule.SourceAddressPrefix)
-			d.Set("source_port_range", rule.SourcePortRange)
-			d.Set("destination_address_prefix", rule.DestinationAddressPrefix)
-			d.Set("destination_port_range", rule.DestinationPortRange)
-			d.Set("protocol", rule.Protocol)
+	secGroups := d.Get("security_group_names").(*schema.Set).List()
+	remaining := schema.NewSet(schema.HashString, nil)
 
-			break
+	// for each of our security groups; check for our rule:
+	for _, sg := range secGroups {
+		secGroupName := sg.(string)
+
+		// get info on the network security group and check its rules for this one:
+		log.Printf("[INFO] Sending Azure network security group rule query for security group %s.", secGroupName)
+		secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
+		if err != nil {
+			if !management.IsResourceNotFoundError(err) {
+				return fmt.Errorf("Error issuing network security group rules query for security group %q: %s", secGroupName, err)
+			} else {
+				// it meants that the network security group this rule belonged to has
+				// been deleted; so we skip this iteration:
+				continue
+			}
+		}
+
+		// find our security rule:
+		for _, rule := range secgroup.Rules {
+			if rule.Name == name {
+				// note the fact that this rule still apllies to this security group:
+				found = true
+				remaining.Add(secGroupName)
+
+				break
+			}
 		}
 	}
 
-	// check if the rule still exists, and is not, remove the resource:
+	// check to see if there is any security group still having this rule:
 	if !found {
 		d.SetId("")
+		return nil
 	}
+
+	// now; we must update the set of security groups still having this rule:
+	d.Set("security_group_names", remaining)
 	return nil
 }
 
 // resourceAzureSecurityGroupRuleUpdate does all the necessary API calls to
-// update the state of a network security group ruke off Azure.
+// update the state of a network security group rule off Azure.
 func resourceAzureSecurityGroupRuleUpdate(d *schema.ResourceData, meta interface{}) error {
 	azureClient := meta.(*Client)
 	mgmtClient := azureClient.mgmtClient
 	secGroupClient := azureClient.secGroupClient
 
-	secGroupName := d.Get("security_group_name").(string)
-
-	// get info on the network security group and check its rules for this one:
-	log.Println("[INFO] Sending network security group rule query for update to Azure.")
-	secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
-	if err != nil {
-		if !management.IsResourceNotFoundError(err) {
-			return fmt.Errorf("Error issuing network security group rules query: %s", err)
-		} else {
-			// it meants that the network security group this rule belonged to has
-			// been deleted; so we must remove this resource from the schema:
-			d.SetId("")
-			return nil
-		}
-	}
-
-	// try and find our security group rule:
 	var found bool
 	name := d.Get("name").(string)
-	for _, rule := range secgroup.Rules {
-		if rule.Name == name {
-			found = true
-		}
-	}
-	// check is the resource has not been deleted in the meantime:
-	if !found {
-		// if not; remove the resource:
-		d.SetId("")
-		return nil
-	}
-
-	// else, start building up the rule request struct:
 	newRule := netsecgroup.RuleRequest{
 		Name:                     d.Get("name").(string),
 		Type:                     netsecgroup.RuleType(d.Get("type").(string)),
@@ -216,59 +197,62 @@ func resourceAzureSecurityGroupRuleUpdate(d *schema.ResourceData, meta interface
 		Protocol:                 netsecgroup.RuleProtocol(d.Get("protocol").(string)),
 	}
 
-	// send the create request to Azure:
-	log.Println("[INFO] Sending network security group rule update request to Azure.")
-	reqID, err := secGroupClient.SetNetworkSecurityGroupRule(
-		secGroupName,
-		newRule,
-	)
-	if err != nil {
-		return fmt.Errorf("Error sending network security group rule update request to Azure: %s", err)
+	// iterate over all the security groups that should have this rule and
+	// update it per security group:
+	remaining := schema.NewSet(schema.HashString, nil)
+	secGroupNames := d.Get("security_group_names").(*schema.Set).List()
+	for _, sg := range secGroupNames {
+		secGroupName := sg.(string)
+
+		// get info on the network security group and check its rules for this one:
+		log.Printf("[INFO] Sending Azure network security group rule query for security group %q.", secGroupName)
+		secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
+		if err != nil {
+			if !management.IsResourceNotFoundError(err) {
+				return fmt.Errorf("Error issuing network security group rules query: %s", err)
+			} else {
+				// it meants that the network security group this rule belonged to has
+				// been deleted; so we skip this iteration:
+				continue
+			}
+		}
+
+		// try and find our security group rule:
+		for _, rule := range secgroup.Rules {
+			if rule.Name == name {
+				// note the fact that this rule still apllies to this security group:
+				found = true
+				remaining.Add("secGroupName")
+
+				// and go ahead and update it:
+				log.Printf("[INFO] Sending Azure network security group rule update request for security group %q.", secGroupName)
+				reqID, err := secGroupClient.SetNetworkSecurityGroupRule(
+					secGroupName,
+					newRule,
+				)
+				if err != nil {
+					return fmt.Errorf("Error sending Azure network security group rule update request for security group %q: %s", secGroupName, err)
+				}
+				err = mgmtClient.WaitForOperation(reqID, nil)
+				if err != nil {
+					return fmt.Errorf("Error updating Azure network security group rule for security group %q: %s", secGroupName, err)
+				}
+			}
+		}
 	}
-	err = mgmtClient.WaitForOperation(reqID, nil)
-	if err != nil {
-		return fmt.Errorf("Error updating network security group rule on Azure: %s", err)
+
+	// check to see if there is any security group still having this rule:
+	if !found {
+		d.SetId("")
+		return nil
 	}
 
+	// here; we must update the set of security groups still having this rule:
+	d.Set("security_group_names", remaining)
+
 	return nil
 }
 
-// resourceAzureSecurityGroupRuleExists does all the necessary API calls to
-// check for the existence of the network security group rule on Azure.
-func resourceAzureSecurityGroupRuleExists(d *schema.ResourceData, meta interface{}) (bool, error) {
-	secGroupClient := meta.(*Client).secGroupClient
-
-	secGroupName := d.Get("security_group_name").(string)
-
-	// get info on the network security group and search for our rule:
-	log.Println("[INFO] Sending network security group rule query for existence check to Azure.")
-	secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
-	if err != nil {
-		if !management.IsResourceNotFoundError(err) {
-			return false, fmt.Errorf("Error issuing network security group rules query: %s", err)
-		} else {
-			// it meants that the network security group this rule belonged to has
-			// been deleted; so we must remove this resource from the schema:
-			d.SetId("")
-			return false, nil
-		}
-	}
-
-	// try and find our security group rule:
-	name := d.Get("name").(string)
-	for _, rule := range secgroup.Rules {
-		if rule.Name == name {
-			return true, nil
-		}
-	}
-
-	// if here; it means the resource has been deleted in the
-	// meantime and must be removed from the schema:
-	d.SetId("")
-
-	return false, nil
-}
-
 // resourceAzureSecurityGroupRuleDelete does all the necessary API calls to
 // delete a network security group rule off Azure.
 func resourceAzureSecurityGroupRuleDelete(d *schema.ResourceData, meta interface{}) error {
@@ -276,35 +260,39 @@ func resourceAzureSecurityGroupRuleDelete(d *schema.ResourceData, meta interface
 	mgmtClient := azureClient.mgmtClient
 	secGroupClient := azureClient.secGroupClient
 
-	secGroupName := d.Get("security_group_name").(string)
-
-	// get info on the network security group and search for our rule:
-	log.Println("[INFO] Sending network security group rule query for deletion to Azure.")
-	secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
-	if err != nil {
-		if management.IsResourceNotFoundError(err) {
-			// it meants that the network security group this rule belonged to has
-			// been deleted; so we need do nothing more but stop tracking the resource:
-			d.SetId("")
-			return nil
-		} else {
-			return fmt.Errorf("Error issuing network security group rules query: %s", err)
-		}
-	}
-
-	// check is the resource has not been deleted in the meantime:
 	name := d.Get("name").(string)
-	for _, rule := range secgroup.Rules {
-		if rule.Name == name {
-			// if not; we shall issue the delete:
-			reqID, err := secGroupClient.DeleteNetworkSecurityGroupRule(secGroupName, name)
-			if err != nil {
-				return fmt.Errorf("Error sending network security group rule delete request to Azure: %s", err)
+	secGroupNames := d.Get("security_group_names").(*schema.Set).List()
+	for _, sg := range secGroupNames {
+		secGroupName := sg.(string)
+
+		// get info on the network security group and search for our rule:
+		log.Printf("[INFO] Sending network security group rule query for security group %q.", secGroupName)
+
+		secgroup, err := secGroupClient.GetNetworkSecurityGroup(secGroupName)
+		if err != nil {
+			if management.IsResourceNotFoundError(err) {
+				// it means that this network security group this rule belonged to has
+				// been deleted; so we need not do anything more here:
+				continue
+			} else {
+				return fmt.Errorf("Error issuing Azure network security group rules query for security group %q: %s", secGroupName, err)
 			}
-			err = mgmtClient.WaitForOperation(reqID, nil)
-			if err != nil {
-				return fmt.Errorf("Error deleting network security group rule off Azure: %s", err)
+		}
+
+		// check if the rule has been deleted in the meantime:
+		for _, rule := range secgroup.Rules {
+			if rule.Name == name {
+				// if not; we shall issue the delete:
+				reqID, err := secGroupClient.DeleteNetworkSecurityGroupRule(secGroupName, name)
+				if err != nil {
+					return fmt.Errorf("Error sending network security group rule delete request to Azure: %s", err)
+				}
+				err = mgmtClient.WaitForOperation(reqID, nil)
+				if err != nil {
+					return fmt.Errorf("Error deleting network security group rule off Azure: %s", err)
+				}
 			}
+			break
 		}
 	}
 
diff --git a/builtin/providers/azure/resource_azure_security_group_rule_test.go b/builtin/providers/azure/resource_azure_security_group_rule_test.go
index 29b6e90ca..ec430f098 100644
--- a/builtin/providers/azure/resource_azure_security_group_rule_test.go
+++ b/builtin/providers/azure/resource_azure_security_group_rule_test.go
@@ -4,30 +4,44 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/Azure/azure-sdk-for-go/management"
+
 	"github.com/hashicorp/terraform/helper/resource"
+	"github.com/hashicorp/terraform/helper/schema"
 	"github.com/hashicorp/terraform/terraform"
 )
 
-func TestAccAzureSecurityGroupRule(t *testing.T) {
+var (
+	testAcctestingSecurityGroup1     = fmt.Sprintf("%s-%d", testAccSecurityGroupName, 1)
+	testAccTestingSecurityGroupHash1 = fmt.Sprintf("%d", schema.HashString(testAcctestingSecurityGroup1))
+
+	testAcctestingSecurityGroup2     = fmt.Sprintf("%s-%d", testAccSecurityGroupName, 2)
+	testAccTestingSecurityGroupHash2 = fmt.Sprintf("%d", schema.HashString(testAcctestingSecurityGroup2))
+)
+
+func TestAccAzureSecurityGroupRuleBasic(t *testing.T) {
 	name := "azure_security_group_rule.foo"
 
 	resource.Test(t, resource.TestCase{
 		PreCheck:     func() { testAccPreCheck(t) },
 		Providers:    testAccProviders,
-		CheckDestroy: testAccCheckAzureSecurityGroupRuleDeleted,
+		CheckDestroy: testAccCheckAzureSecurityGroupRuleDeleted([]string{testAccSecurityGroupName}),
 		Steps: []resource.TestStep{
 			resource.TestStep{
-				Config: testAccAzureSecurityGroupRule,
+				Config: testAccAzureSecurityGroupRuleBasicConfig,
 				Check: resource.ComposeTestCheckFunc(
-					testAccCheckAzureSecurityGroupRuleExists(name),
+					testAccCheckAzureSecurityGroupRuleExists(name, testAccSecurityGroupName),
 					resource.TestCheckResourceAttr(name, "name", "terraform-secgroup-rule"),
-					resource.TestCheckResourceAttr(name, "security_group_name", testAccSecurityGroupName),
+					resource.TestCheckResourceAttr(name,
+						fmt.Sprintf("security_group_names.%d", schema.HashString(testAccSecurityGroupName)),
+						testAccSecurityGroupName),
 					resource.TestCheckResourceAttr(name, "type", "Inbound"),
 					resource.TestCheckResourceAttr(name, "action", "Deny"),
 					resource.TestCheckResourceAttr(name, "priority", "200"),
 					resource.TestCheckResourceAttr(name, "source_address_prefix", "100.0.0.0/32"),
 					resource.TestCheckResourceAttr(name, "source_port_range", "1000"),
 					resource.TestCheckResourceAttr(name, "destination_address_prefix", "10.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "destination_port_range", "1000"),
 					resource.TestCheckResourceAttr(name, "protocol", "TCP"),
 				),
 			},
@@ -35,7 +49,99 @@ func TestAccAzureSecurityGroupRule(t *testing.T) {
 	})
 }
 
-func testAccCheckAzureSecurityGroupRuleExists(name string) resource.TestCheckFunc {
+func TestAccAzureSecurityGroupRuleAdvanced(t *testing.T) {
+	name := "azure_security_group_rule.foo"
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		CheckDestroy: testAccCheckAzureSecurityGroupRuleDeleted(
+			[]string{
+				testAcctestingSecurityGroup1,
+				testAcctestingSecurityGroup2,
+			},
+		),
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccAzureSecurityGroupRuleAdvancedConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAzureSecurityGroupRuleExists(name, testAcctestingSecurityGroup1),
+					testAccCheckAzureSecurityGroupRuleExists(name, testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "name", "terraform-secgroup-rule"),
+					resource.TestCheckResourceAttr(name, fmt.Sprintf("security_group_names.%s",
+						testAccTestingSecurityGroupHash1), testAcctestingSecurityGroup1),
+					resource.TestCheckResourceAttr(name, fmt.Sprintf("security_group_names.%s",
+						testAccTestingSecurityGroupHash2), testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "type", "Inbound"),
+					resource.TestCheckResourceAttr(name, "action", "Deny"),
+					resource.TestCheckResourceAttr(name, "priority", "200"),
+					resource.TestCheckResourceAttr(name, "source_address_prefix", "100.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "source_port_range", "1000"),
+					resource.TestCheckResourceAttr(name, "destination_address_prefix", "10.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "destination_port_range", "1000"),
+					resource.TestCheckResourceAttr(name, "protocol", "TCP"),
+				),
+			},
+		},
+	})
+}
+
+func TestAccAzureSecurityGroupRuleUpdate(t *testing.T) {
+	name := "azure_security_group_rule.foo"
+
+	resource.Test(t, resource.TestCase{
+		PreCheck:  func() { testAccPreCheck(t) },
+		Providers: testAccProviders,
+		CheckDestroy: testAccCheckAzureSecurityGroupRuleDeleted(
+			[]string{
+				testAcctestingSecurityGroup1,
+				testAcctestingSecurityGroup2,
+			},
+		),
+		Steps: []resource.TestStep{
+			resource.TestStep{
+				Config: testAccAzureSecurityGroupRuleAdvancedConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAzureSecurityGroupRuleExists(name, testAcctestingSecurityGroup1),
+					testAccCheckAzureSecurityGroupRuleExists(name, testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "name", "terraform-secgroup-rule"),
+					resource.TestCheckResourceAttr(name, fmt.Sprintf("security_group_names.%s",
+						testAccTestingSecurityGroupHash1), testAcctestingSecurityGroup1),
+					resource.TestCheckResourceAttr(name, fmt.Sprintf("security_group_names.%s",
+						testAccTestingSecurityGroupHash2), testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "type", "Inbound"),
+					resource.TestCheckResourceAttr(name, "action", "Deny"),
+					resource.TestCheckResourceAttr(name, "priority", "200"),
+					resource.TestCheckResourceAttr(name, "source_address_prefix", "100.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "source_port_range", "1000"),
+					resource.TestCheckResourceAttr(name, "destination_address_prefix", "10.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "destination_port_range", "1000"),
+					resource.TestCheckResourceAttr(name, "protocol", "TCP"),
+				),
+			},
+
+			resource.TestStep{
+				Config: testAccAzureSecurityGroupRuleUpdateConfig,
+				Check: resource.ComposeTestCheckFunc(
+					testAccCheckAzureSecurityGroupRuleExists(name, testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "name", "terraform-secgroup-rule"),
+					resource.TestCheckResourceAttr(name, fmt.Sprintf("security_group_names.%s",
+						testAccTestingSecurityGroupHash2), testAcctestingSecurityGroup2),
+					resource.TestCheckResourceAttr(name, "type", "Outbound"),
+					resource.TestCheckResourceAttr(name, "action", "Allow"),
+					resource.TestCheckResourceAttr(name, "priority", "100"),
+					resource.TestCheckResourceAttr(name, "source_address_prefix", "101.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "source_port_range", "1000"),
+					resource.TestCheckResourceAttr(name, "destination_address_prefix", "10.0.0.0/32"),
+					resource.TestCheckResourceAttr(name, "destination_port_range", "1001"),
+					resource.TestCheckResourceAttr(name, "protocol", "UDP"),
+				),
+			},
+		},
+	})
+}
+
+func testAccCheckAzureSecurityGroupRuleExists(name, groupName string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		resource, ok := s.RootModule().Resources[name]
 		if !ok {
@@ -48,9 +154,9 @@ func testAccCheckAzureSecurityGroupRuleExists(name string) resource.TestCheckFun
 
 		secGroupClient := testAccProvider.Meta().(*Client).secGroupClient
 
-		secGroup, err := secGroupClient.GetNetworkSecurityGroup(testAccSecurityGroupName)
+		secGroup, err := secGroupClient.GetNetworkSecurityGroup(groupName)
 		if err != nil {
-			return fmt.Errorf("Failed getting network security group details: %s", err)
+			return fmt.Errorf("Failed getting network security group details for %q: %s", groupName, err)
 		}
 
 		for _, rule := range secGroup.Rules {
@@ -63,37 +169,43 @@ func testAccCheckAzureSecurityGroupRuleExists(name string) resource.TestCheckFun
 	}
 }
 
-func testAccCheckAzureSecurityGroupRuleDeleted(s *terraform.State) error {
-	for _, resource := range s.RootModule().Resources {
-		if resource.Type != "azure_security_group_rule" {
-			continue
-		}
+func testAccCheckAzureSecurityGroupRuleDeleted(groups []string) resource.TestCheckFunc {
+	return func(s *terraform.State) error {
+		for _, resource := range s.RootModule().Resources {
+			if resource.Type != "azure_security_group_rule" {
+				continue
+			}
 
-		if resource.Primary.ID == "" {
-			return fmt.Errorf("Azure network security group ID not set.")
-		}
+			if resource.Primary.ID == "" {
+				return fmt.Errorf("Azure network security group ID not set.")
+			}
 
-		secGroupClient := testAccProvider.Meta().(*Client).secGroupClient
+			secGroupClient := testAccProvider.Meta().(*Client).secGroupClient
 
-		secGroup, err := secGroupClient.GetNetworkSecurityGroup(testAccSecurityGroupName)
-		if err != nil {
-			return fmt.Errorf("Failed getting network security group details: %s", err)
-		}
+			for _, groupName := range groups {
+				secGroup, err := secGroupClient.GetNetworkSecurityGroup(groupName)
+				if err != nil {
+					if !management.IsResourceNotFoundError(err) {
+						return fmt.Errorf("Failed getting network security group details for %q: %s", groupName, err)
+					}
+				}
 
-		for _, rule := range secGroup.Rules {
-			if rule.Name == resource.Primary.ID {
-				return fmt.Errorf("Azure network security group rule still exists!")
+				for _, rule := range secGroup.Rules {
+					if rule.Name == resource.Primary.ID {
+						return fmt.Errorf("Azure network security group rule still exists!")
+					}
+				}
 			}
 		}
-	}
 
-	return nil
+		return nil
+	}
 }
 
-var testAccAzureSecurityGroupRule = testAccAzureSecurityGroupConfig + `
+var testAccAzureSecurityGroupRuleBasicConfig = testAccAzureSecurityGroupConfig + `
 resource "azure_security_group_rule" "foo" {
 	name = "terraform-secgroup-rule"
-	security_group_name = "${azure_security_group.foo.name}"
+	security_group_names = ["${azure_security_group.foo.name}"]
 	type = "Inbound"
 	action = "Deny"
 	priority = 200
@@ -104,3 +216,34 @@ resource "azure_security_group_rule" "foo" {
 	protocol = "TCP"
 }
 `
+var testAccAzureSecurityGroupRuleAdvancedConfig = fmt.Sprintf(testAccAzureSecurityGroupConfigTemplate, "foo", testAcctestingSecurityGroup1) +
+	fmt.Sprintf(testAccAzureSecurityGroupConfigTemplate, "bar", testAcctestingSecurityGroup2) + `
+resource "azure_security_group_rule" "foo" {
+	name = "terraform-secgroup-rule"
+	security_group_names = ["${azure_security_group.foo.name}", "${azure_security_group.bar.name}"]
+	type = "Inbound"
+	action = "Deny"
+	priority = 200
+	source_address_prefix = "100.0.0.0/32"
+	source_port_range = "1000"
+	destination_address_prefix = "10.0.0.0/32"
+	destination_port_range = "1000"
+	protocol = "TCP"
+}
+`
+
+var testAccAzureSecurityGroupRuleUpdateConfig = fmt.Sprintf(testAccAzureSecurityGroupConfigTemplate, "foo", testAcctestingSecurityGroup1) +
+	fmt.Sprintf(testAccAzureSecurityGroupConfigTemplate, "bar", testAcctestingSecurityGroup2) + `
+resource "azure_security_group_rule" "foo" {
+	name = "terraform-secgroup-rule"
+	security_group_names = ["${azure_security_group.bar.name}"]
+	type = "Outbound"
+	action = "Allow"
+	priority = 100
+	source_address_prefix = "101.0.0.0/32"
+	source_port_range = "1000"
+	destination_address_prefix = "10.0.0.0/32"
+	destination_port_range = "1001"
+	protocol = "UDP"
+}
+`
diff --git a/builtin/providers/azure/resource_azure_security_group_test.go b/builtin/providers/azure/resource_azure_security_group_test.go
index 3b35d8731..3d86d0873 100644
--- a/builtin/providers/azure/resource_azure_security_group_test.go
+++ b/builtin/providers/azure/resource_azure_security_group_test.go
@@ -89,9 +89,14 @@ func testAccCheckAzureSecurityGroupDestroy(s *terraform.State) error {
 	return nil
 }
 
-var testAccAzureSecurityGroupConfig = fmt.Sprintf(`
-resource "azure_security_group" "foo" {
+const testAccAzureSecurityGroupConfigTemplate = `
+resource "azure_security_group" "%s" {
     name = "%s"
     location = "West US"
     label = "terraform testing security group"
-}`, testAccSecurityGroupName)
+}`
+
+var testAccAzureSecurityGroupConfig = fmt.Sprintf(
+	testAccAzureSecurityGroupConfigTemplate,
+	"foo", "terraform-security-group",
+)
diff --git a/builtin/providers/azure/resource_azure_virtual_network_test.go b/builtin/providers/azure/resource_azure_virtual_network_test.go
index bb6b6c563..f6d637f16 100644
--- a/builtin/providers/azure/resource_azure_virtual_network_test.go
+++ b/builtin/providers/azure/resource_azure_virtual_network_test.go
@@ -218,7 +218,7 @@ resource "azure_security_group" "foo" {
 
 resource "azure_security_group_rule" "foo" {
 	name = "terraform-secgroup-rule"
-	security_group_name = "${azure_security_group.foo.name}"
+	security_group_names = ["${azure_security_group.foo.name}"]
 	type = "Inbound"
 	action = "Deny"
 	priority = 200
@@ -249,7 +249,7 @@ resource "azure_security_group" "foo" {
 
 resource "azure_security_group_rule" "foo" {
 	name = "terraform-secgroup-rule"
-	security_group_name = "${azure_security_group.foo.name}"
+	security_group_names = ["${azure_security_group.foo.name}"]
 	type = "Inbound"
 	action = "Deny"
 	priority = 200
diff --git a/website/source/docs/providers/azure/r/security_group_rule.html.markdown b/website/source/docs/providers/azure/r/security_group_rule.html.markdown
index 004d73eb5..02df5408c 100644
--- a/website/source/docs/providers/azure/r/security_group_rule.html.markdown
+++ b/website/source/docs/providers/azure/r/security_group_rule.html.markdown
@@ -17,9 +17,13 @@ resource "azure_security_group" "web" {
     ...
 }
 
+resource "azure_security_group" "apps" {
+    ...
+}
+
 resource "azure_security_group_rule" "ssh_access" {
     name = "ssh-access-rule"
-	security_group_name = "${azure_security_group.web.name}"
+	security_group_names = ["${azure_security_group.web.name}", "${azure_security_group.apps.name}"]
 	type = "Inbound"
 	action = "Allow"
 	priority = 200
@@ -34,10 +38,11 @@ resource "azure_security_group_rule" "ssh_access" {
 ## Argument Reference
 
 The following arguments are supported:
-* `name` - (Required) The name of the security group the rule should be
-    applied to.
+* `name` - (Required) The name of the security group rule.
 
-* `security_group_name` - (Required) The name of the security group m
+* `security_group_names` - (Required) A list of the names of the security groups
+    the rule should be applied to.
+    Changing this list forces the creation of a new resource.
 
 * `type` - (Required) The type of the security rule. Valid options are:
     `Inbound` and `Outbound`.