diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceGet.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceGet.json
index 4ef2921de0d8..6a309c899c6b 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceGet.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceGet.json
@@ -1,6 +1,6 @@
 {
   "parameters" : {
-    "api-version" : "2018-02-01",
+    "api-version" : "2017-03-30",
     "subscriptionId" : "subid",
     "resourceGroupName" : "rg1",
     "networkInterfaceName" : "nic1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigGet.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigGet.json
index 0f9eb8b98413..50253777dc63 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigGet.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigGet.json
@@ -1,6 +1,6 @@
 {
   "parameters" : {
-    "api-version" : "2018-02-01",
+    "api-version" : "2017-03-30",
     "subscriptionId" : "subid",
     "resourceGroupName" : "rg1",
     "virtualMachineScaleSetName": "vmss1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigList.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigList.json
index dd199635483b..fe4db041f128 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceIpConfigList.json
@@ -1,6 +1,6 @@
 {
   "parameters" : {
-    "api-version" : "2018-02-01",
+    "api-version" : "2017-03-30",
     "subscriptionId" : "subid",
     "resourceGroupName" : "rg1",
     "virtualMachineScaleSetName": "vmss1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceList.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceList.json
index b21fff89b352..01cc5ea64615 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssNetworkInterfaceList.json
@@ -1,6 +1,6 @@
 {
   "parameters" : {
-    "api-version" : "2018-02-01",
+    "api-version" : "2017-03-30",
     "subscriptionId" : "subid",
     "resourceGroupName" : "rg1",
     "virtualMachineScaleSetName": "vmss1"
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpGet.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpGet.json
index 35dfd0a13ac5..6163cda40a8d 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpGet.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpGet.json
@@ -2,7 +2,7 @@
   "parameters": {
     "virtualMachineScaleSetName": "vmss1",
     "resourceGroupName": "vmss-tester",
-    "api-version": "2018-02-01",
+    "api-version": "2017-03-30",
     "subscriptionId": "subid",
     "virtualmachineIndex": 1,
     "networkInterfaceName": "nic1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpListAll.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpListAll.json
index f26b0142e413..5d20af64ab0e 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpListAll.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssPublicIpListAll.json
@@ -2,7 +2,7 @@
   "parameters": {
     "virtualMachineScaleSetName": "vmss1",
     "resourceGroupName": "vmss-tester",
-    "api-version": "2018-02-01",
+    "api-version": "2017-03-30",
     "subscriptionId": "subid"
   },
   "responses": {
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmNetworkInterfaceList.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmNetworkInterfaceList.json
index 07e3d19ee01d..36e0b86265c0 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmNetworkInterfaceList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmNetworkInterfaceList.json
@@ -1,6 +1,6 @@
 {
   "parameters" : {
-    "api-version" : "2018-02-01",
+    "api-version" : "2017-03-30",
     "subscriptionId" : "subid",
     "resourceGroupName" : "rg1",
     "virtualMachineScaleSetName": "vmss1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmPublicIpList.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmPublicIpList.json
index c347f545f1a5..5f179ef0a801 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmPublicIpList.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/examples/VmssVmPublicIpList.json
@@ -2,7 +2,7 @@
   "parameters": {
     "virtualMachineScaleSetName": "vmss1",
     "resourceGroupName": "vmss-tester",
-    "api-version": "2018-02-01",
+    "api-version": "2017-03-30",
     "subscriptionId": "subid",
     "virtualmachineIndex": 1,
     "networkInterfaceName": "nic1",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssNetworkInterface.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssNetworkInterface.json
index 10f3a51d5b47..b9cb4ede4929 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssNetworkInterface.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssNetworkInterface.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "NetworkManagementClient",
     "description": "The Microsoft Azure Network management API provides a RESTful set of web services that interact with Microsoft Azure Networks service to manage your network resources. The API has entities that capture the relationship between an end user and the Microsoft Azure Networks service.",
-    "version": "2018-02-01"
+    "version": "2017-03-30"
   },
   "host": "management.azure.com",
   "schemes": [
@@ -71,7 +71,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -127,7 +127,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -197,7 +197,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -271,7 +271,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -355,7 +355,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssPublicIpAddress.json b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssPublicIpAddress.json
index e38e1bf101e4..79113ac031f9 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssPublicIpAddress.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2018-02-01/vmssPublicIpAddress.json
@@ -3,7 +3,7 @@
   "info": {
     "title": "NetworkManagementClient",
     "description": "The Microsoft Azure Network management API provides a RESTful set of web services that interact with Microsoft Azure Networks service to manage your network resources. The API has entities that capture the relationship between an end user and the Microsoft Azure Networks service.",
-    "version": "2018-02-01"
+    "version": "2017-03-30"
   },
   "host": "management.azure.com",
   "schemes": [
@@ -61,7 +61,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -135,7 +135,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",
@@ -216,7 +216,7 @@
             "required": true,
             "type": "string",
             "enum": [
-              "2018-02-01"
+              "2017-03-30"
             ],
             "x-ms-enum": {
               "name": "ApiVersion",