diff --git a/sdk/iothub/arm-iothub/README.md b/sdk/iothub/arm-iothub/README.md
index 2b1111bb8182..e288c707c33c 100644
--- a/sdk/iothub/arm-iothub/README.md
+++ b/sdk/iothub/arm-iothub/README.md
@@ -15,7 +15,7 @@ npm install @azure/arm-iothub
 
 ### How to use
 
-#### nodejs - Authentication, client creation and list operations as an example written in TypeScript.
+#### nodejs - client creation and list operations as an example written in TypeScript.
 
 ##### Install @azure/ms-rest-nodeauth
 
@@ -26,11 +26,10 @@ npm install @azure/ms-rest-nodeauth@"^3.0.0"
 
 ##### Sample code
 
+While the below sample uses the interactive login, other authentication options can be found in the [README.md file of @azure/ms-rest-nodeauth](https://www.npmjs.com/package/@azure/ms-rest-nodeauth) package
 ```typescript
-import * as msRest from "@azure/ms-rest-js";
-import * as msRestAzure from "@azure/ms-rest-azure-js";
-import * as msRestNodeAuth from "@azure/ms-rest-nodeauth";
-import { IotHubClient, IotHubModels, IotHubMappers } from "@azure/arm-iothub";
+const msRestNodeAuth = require("@azure/ms-rest-nodeauth");
+const { IotHubClient } = require("@azure/arm-iothub");
 const subscriptionId = process.env["AZURE_SUBSCRIPTION_ID"];
 
 msRestNodeAuth.interactiveLogin().then((creds) => {
diff --git a/sdk/iothub/arm-iothub/rollup.config.js b/sdk/iothub/arm-iothub/rollup.config.js
index c38caace5654..148271feabca 100644
--- a/sdk/iothub/arm-iothub/rollup.config.js
+++ b/sdk/iothub/arm-iothub/rollup.config.js
@@ -21,8 +21,8 @@ const config = {
       "@azure/ms-rest-azure-js": "msRestAzure"
     },
     banner: `/*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/iothub/arm-iothub/src/iotHubClient.ts b/sdk/iothub/arm-iothub/src/iotHubClient.ts
index 4d85c1a6c854..5a1614c70621 100644
--- a/sdk/iothub/arm-iothub/src/iotHubClient.ts
+++ b/sdk/iothub/arm-iothub/src/iotHubClient.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/iotHubClientContext.ts b/sdk/iothub/arm-iothub/src/iotHubClientContext.ts
index 738b6ce032e1..e5770dbaffa0 100644
--- a/sdk/iothub/arm-iothub/src/iotHubClientContext.ts
+++ b/sdk/iothub/arm-iothub/src/iotHubClientContext.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
@@ -44,7 +43,7 @@ export class IotHubClientContext extends msRestAzure.AzureServiceClient {
 
     super(credentials, options);
 
-    this.apiVersion = '2020-07-10-preview';
+    this.apiVersion = '2020-08-31';
     this.acceptLanguage = 'en-US';
     this.longRunningOperationRetryTimeout = 30;
     this.baseUri = options.baseUri || this.baseUri || "https://management.azure.com";
diff --git a/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts b/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts
index dc7bfc670f6d..a77e41d71d33 100644
--- a/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -15,7 +15,6 @@ export {
   CertificateVerificationDescription,
   CertificateWithNonceDescription,
   CloudToDeviceProperties,
-  EncryptionPropertiesDescription,
   EnrichmentProperties,
   ErrorDetails,
   EventHubConsumerGroupInfo,
@@ -25,11 +24,11 @@ export {
   IotHubDescription,
   IotHubLocationDescription,
   IotHubProperties,
-  IotHubPropertiesDeviceStreams,
   IotHubSkuInfo,
   IpFilterRule,
-  KeyVaultKeyProperties,
   MessagingEndpointProperties,
+  NetworkRuleSetIpRule,
+  NetworkRuleSetProperties,
   PrivateEndpoint,
   PrivateEndpointConnection,
   PrivateEndpointConnectionProperties,
diff --git a/sdk/iothub/arm-iothub/src/models/index.ts b/sdk/iothub/arm-iothub/src/models/index.ts
index f17e276b9695..2a4120f80873 100644
--- a/sdk/iothub/arm-iothub/src/models/index.ts
+++ b/sdk/iothub/arm-iothub/src/models/index.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -229,6 +229,43 @@ export interface IpFilterRule {
   ipMask: string;
 }
 
+/**
+ * IP Rule to be applied as part of Network Rule Set
+ */
+export interface NetworkRuleSetIpRule {
+  /**
+   * Name of the IP filter rule.
+   */
+  filterName: string;
+  /**
+   * IP Filter Action. Possible values include: 'Allow'. Default value: 'Allow'.
+   */
+  action?: NetworkRuleIPAction;
+  /**
+   * A string that contains the IP address range in CIDR notation for the rule.
+   */
+  ipMask: string;
+}
+
+/**
+ * Network Rule Set Properties of IotHub
+ */
+export interface NetworkRuleSetProperties {
+  /**
+   * Default Action for Network Rule Set. Possible values include: 'Deny', 'Allow'. Default value:
+   * 'Deny'.
+   */
+  defaultAction?: DefaultAction;
+  /**
+   * If True, then Network Rule Set is also applied to BuiltIn EventHub EndPoint of IotHub
+   */
+  applyToBuiltInEventHubEndpoint: boolean;
+  /**
+   * List of IP Rules
+   */
+  ipRules: NetworkRuleSetIpRule[];
+}
+
 /**
  * The private endpoint property of a private endpoint connection
  */
@@ -551,7 +588,7 @@ export interface RouteProperties {
   /**
    * The source that the routing rule is to be applied to, such as DeviceMessages. Possible values
    * include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents', 'DeviceLifecycleEvents',
-   * 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
+   * 'DeviceJobLifecycleEvents'
    */
   source: RoutingSource;
   /**
@@ -726,40 +763,6 @@ export interface CloudToDeviceProperties {
   feedback?: FeedbackProperties;
 }
 
-/**
- * The device streams properties of iothub.
- */
-export interface IotHubPropertiesDeviceStreams {
-  /**
-   * List of Device Streams Endpoints.
-   */
-  streamingEndpoints?: string[];
-}
-
-/**
- * The properties of the KeyVault key.
- */
-export interface KeyVaultKeyProperties {
-  /**
-   * The identifier of the key.
-   */
-  keyIdentifier?: string;
-}
-
-/**
- * The encryption properties for the IoT hub.
- */
-export interface EncryptionPropertiesDescription {
-  /**
-   * The source of the key.
-   */
-  keySource?: string;
-  /**
-   * The properties of the KeyVault key.
-   */
-  keyVaultProperties?: KeyVaultKeyProperties[];
-}
-
 /**
  * Public representation of one of the locations where a resource is provisioned.
  */
@@ -794,6 +797,7 @@ export interface IotHubProperties {
    * The IP filter rules.
    */
   ipFilterRules?: IpFilterRule[];
+  networkRuleSets?: NetworkRuleSetProperties;
   /**
    * Specifies the minimum TLS version to support for this hub. Can be set to "1.2" to have clients
    * that use a TLS version below 1.2 to be rejected.
@@ -845,19 +849,11 @@ export interface IotHubProperties {
    * IoT hub comments.
    */
   comments?: string;
-  /**
-   * The device streams properties of iothub.
-   */
-  deviceStreams?: IotHubPropertiesDeviceStreams;
   /**
    * The capabilities and features enabled for the IoT hub. Possible values include: 'None',
    * 'DeviceManagement'
    */
   features?: Capabilities;
-  /**
-   * The encryption properties for the IoT hub.
-   */
-  encryption?: EncryptionPropertiesDescription;
   /**
    * Primary and secondary location for iot hub
    * **NOTE: This property will not be serialized. It can only be populated by the server.**
@@ -1417,7 +1413,7 @@ export interface RoutingTwin {
 export interface TestAllRoutesInput {
   /**
    * Routing source. Possible values include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
-   * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
+   * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents'
    */
   routingSource?: RoutingSource;
   /**
@@ -1560,6 +1556,15 @@ export interface ExportDevicesRequest {
    * values include: 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * The value indicating whether configurations should be exported.
+   */
+  includeConfigurations?: boolean;
+  /**
+   * The name of the blob that will be created in the provided output blob container. This blob
+   * will contain the exported configurations for the Iot Hub.
+   */
+  configurationsBlobName?: string;
 }
 
 /**
@@ -1587,6 +1592,14 @@ export interface ImportDevicesRequest {
    * values include: 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * The value indicating whether configurations should be imported.
+   */
+  includeConfigurations?: boolean;
+  /**
+   * The blob name to be used when importing configurations from the provided input blob container.
+   */
+  configurationsBlobName?: string;
 }
 
 /**
@@ -1811,6 +1824,22 @@ export type PublicNetworkAccess = 'Enabled' | 'Disabled';
  */
 export type IpFilterActionType = 'Accept' | 'Reject';
 
+/**
+ * Defines values for DefaultAction.
+ * Possible values include: 'Deny', 'Allow'
+ * @readonly
+ * @enum {string}
+ */
+export type DefaultAction = 'Deny' | 'Allow';
+
+/**
+ * Defines values for NetworkRuleIPAction.
+ * Possible values include: 'Allow'
+ * @readonly
+ * @enum {string}
+ */
+export type NetworkRuleIPAction = 'Allow';
+
 /**
  * Defines values for PrivateLinkServiceConnectionStatus.
  * Possible values include: 'Pending', 'Approved', 'Rejected', 'Disconnected'
@@ -1830,11 +1859,11 @@ export type AuthenticationType = 'keyBased' | 'identityBased';
 /**
  * Defines values for RoutingSource.
  * Possible values include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
- * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
+ * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents'
  * @readonly
  * @enum {string}
  */
-export type RoutingSource = 'Invalid' | 'DeviceMessages' | 'TwinChangeEvents' | 'DeviceLifecycleEvents' | 'DeviceJobLifecycleEvents' | 'DigitalTwinChangeEvents';
+export type RoutingSource = 'Invalid' | 'DeviceMessages' | 'TwinChangeEvents' | 'DeviceLifecycleEvents' | 'DeviceJobLifecycleEvents';
 
 /**
  * Defines values for Capabilities.
diff --git a/sdk/iothub/arm-iothub/src/models/iotHubMappers.ts b/sdk/iothub/arm-iothub/src/models/iotHubMappers.ts
index 7714701e2033..65f15ad87e82 100644
--- a/sdk/iothub/arm-iothub/src/models/iotHubMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/iotHubMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts b/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts
index c23ba0c05f1c..b108546fe160 100644
--- a/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -14,7 +14,6 @@ export {
   CertificateWithNonceDescription,
   CloudError,
   CloudToDeviceProperties,
-  EncryptionPropertiesDescription,
   EndpointHealthData,
   EndpointHealthDataListResult,
   EnrichmentProperties,
@@ -34,7 +33,6 @@ export {
   IotHubLocationDescription,
   IotHubNameAvailabilityInfo,
   IotHubProperties,
-  IotHubPropertiesDeviceStreams,
   IotHubQuotaMetricInfo,
   IotHubQuotaMetricInfoListResult,
   IotHubSkuDescription,
@@ -43,9 +41,10 @@ export {
   IpFilterRule,
   JobResponse,
   JobResponseListResult,
-  KeyVaultKeyProperties,
   MatchedRoute,
   MessagingEndpointProperties,
+  NetworkRuleSetIpRule,
+  NetworkRuleSetProperties,
   OperationInputs,
   PrivateEndpoint,
   PrivateEndpointConnection,
diff --git a/sdk/iothub/arm-iothub/src/models/mappers.ts b/sdk/iothub/arm-iothub/src/models/mappers.ts
index c31f5a915071..6a5ae1f7ed5d 100644
--- a/sdk/iothub/arm-iothub/src/models/mappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/mappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -368,6 +368,74 @@ export const IpFilterRule: msRest.CompositeMapper = {
   }
 };
 
+export const NetworkRuleSetIpRule: msRest.CompositeMapper = {
+  serializedName: "NetworkRuleSetIpRule",
+  type: {
+    name: "Composite",
+    className: "NetworkRuleSetIpRule",
+    modelProperties: {
+      filterName: {
+        required: true,
+        serializedName: "filterName",
+        type: {
+          name: "String"
+        }
+      },
+      action: {
+        serializedName: "action",
+        defaultValue: 'Allow',
+        type: {
+          name: "String"
+        }
+      },
+      ipMask: {
+        required: true,
+        serializedName: "ipMask",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
+export const NetworkRuleSetProperties: msRest.CompositeMapper = {
+  serializedName: "NetworkRuleSetProperties",
+  type: {
+    name: "Composite",
+    className: "NetworkRuleSetProperties",
+    modelProperties: {
+      defaultAction: {
+        serializedName: "defaultAction",
+        defaultValue: 'Deny',
+        type: {
+          name: "String"
+        }
+      },
+      applyToBuiltInEventHubEndpoint: {
+        required: true,
+        serializedName: "applyToBuiltInEventHubEndpoint",
+        type: {
+          name: "Boolean"
+        }
+      },
+      ipRules: {
+        required: true,
+        serializedName: "ipRules",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "NetworkRuleSetIpRule"
+            }
+          }
+        }
+      }
+    }
+  }
+};
+
 export const PrivateEndpoint: msRest.CompositeMapper = {
   serializedName: "PrivateEndpoint",
   type: {
@@ -1199,71 +1267,6 @@ export const CloudToDeviceProperties: msRest.CompositeMapper = {
   }
 };
 
-export const IotHubPropertiesDeviceStreams: msRest.CompositeMapper = {
-  serializedName: "IotHubProperties_deviceStreams",
-  type: {
-    name: "Composite",
-    className: "IotHubPropertiesDeviceStreams",
-    modelProperties: {
-      streamingEndpoints: {
-        serializedName: "streamingEndpoints",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "String"
-            }
-          }
-        }
-      }
-    }
-  }
-};
-
-export const KeyVaultKeyProperties: msRest.CompositeMapper = {
-  serializedName: "KeyVaultKeyProperties",
-  type: {
-    name: "Composite",
-    className: "KeyVaultKeyProperties",
-    modelProperties: {
-      keyIdentifier: {
-        serializedName: "keyIdentifier",
-        type: {
-          name: "String"
-        }
-      }
-    }
-  }
-};
-
-export const EncryptionPropertiesDescription: msRest.CompositeMapper = {
-  serializedName: "EncryptionPropertiesDescription",
-  type: {
-    name: "Composite",
-    className: "EncryptionPropertiesDescription",
-    modelProperties: {
-      keySource: {
-        serializedName: "keySource",
-        type: {
-          name: "String"
-        }
-      },
-      keyVaultProperties: {
-        serializedName: "keyVaultProperties",
-        type: {
-          name: "Sequence",
-          element: {
-            type: {
-              name: "Composite",
-              className: "KeyVaultKeyProperties"
-            }
-          }
-        }
-      }
-    }
-  }
-};
-
 export const IotHubLocationDescription: msRest.CompositeMapper = {
   serializedName: "IotHubLocationDescription",
   type: {
@@ -1322,6 +1325,13 @@ export const IotHubProperties: msRest.CompositeMapper = {
           }
         }
       },
+      networkRuleSets: {
+        serializedName: "networkRuleSets",
+        type: {
+          name: "Composite",
+          className: "NetworkRuleSetProperties"
+        }
+      },
       minTlsVersion: {
         serializedName: "minTlsVersion",
         type: {
@@ -1423,26 +1433,12 @@ export const IotHubProperties: msRest.CompositeMapper = {
           name: "String"
         }
       },
-      deviceStreams: {
-        serializedName: "deviceStreams",
-        type: {
-          name: "Composite",
-          className: "IotHubPropertiesDeviceStreams"
-        }
-      },
       features: {
         serializedName: "features",
         type: {
           name: "String"
         }
       },
-      encryption: {
-        serializedName: "encryption",
-        type: {
-          name: "Composite",
-          className: "EncryptionPropertiesDescription"
-        }
-      },
       locations: {
         readOnly: true,
         serializedName: "locations",
@@ -2630,6 +2626,18 @@ export const ExportDevicesRequest: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      includeConfigurations: {
+        serializedName: "includeConfigurations",
+        type: {
+          name: "Boolean"
+        }
+      },
+      configurationsBlobName: {
+        serializedName: "configurationsBlobName",
+        type: {
+          name: "String"
+        }
       }
     }
   }
@@ -2672,6 +2680,18 @@ export const ImportDevicesRequest: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      includeConfigurations: {
+        serializedName: "includeConfigurations",
+        type: {
+          name: "Boolean"
+        }
+      },
+      configurationsBlobName: {
+        serializedName: "configurationsBlobName",
+        type: {
+          name: "String"
+        }
       }
     }
   }
diff --git a/sdk/iothub/arm-iothub/src/models/operationsMappers.ts b/sdk/iothub/arm-iothub/src/models/operationsMappers.ts
index 5d69c8a954f1..b050cda5b1fc 100644
--- a/sdk/iothub/arm-iothub/src/models/operationsMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/operationsMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/iothub/arm-iothub/src/models/parameters.ts b/sdk/iothub/arm-iothub/src/models/parameters.ts
index d6af8b8b325d..bf980b5229d1 100644
--- a/sdk/iothub/arm-iothub/src/models/parameters.ts
+++ b/sdk/iothub/arm-iothub/src/models/parameters.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts b/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts
index 7827700fb006..64e5ce1288a0 100644
--- a/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
@@ -13,7 +13,6 @@ export {
   CertificatePropertiesWithNonce,
   CertificateWithNonceDescription,
   CloudToDeviceProperties,
-  EncryptionPropertiesDescription,
   EnrichmentProperties,
   ErrorDetails,
   EventHubConsumerGroupInfo,
@@ -23,11 +22,11 @@ export {
   IotHubDescription,
   IotHubLocationDescription,
   IotHubProperties,
-  IotHubPropertiesDeviceStreams,
   IotHubSkuInfo,
   IpFilterRule,
-  KeyVaultKeyProperties,
   MessagingEndpointProperties,
+  NetworkRuleSetIpRule,
+  NetworkRuleSetProperties,
   PrivateEndpoint,
   PrivateEndpointConnection,
   PrivateEndpointConnectionProperties,
diff --git a/sdk/iothub/arm-iothub/src/models/privateLinkResourcesOperationsMappers.ts b/sdk/iothub/arm-iothub/src/models/privateLinkResourcesOperationsMappers.ts
index 31b1880fa611..97770ac159b2 100644
--- a/sdk/iothub/arm-iothub/src/models/privateLinkResourcesOperationsMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/privateLinkResourcesOperationsMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/iothub/arm-iothub/src/models/resourceProviderCommonMappers.ts b/sdk/iothub/arm-iothub/src/models/resourceProviderCommonMappers.ts
index 232343c4f750..ba9ba8659584 100644
--- a/sdk/iothub/arm-iothub/src/models/resourceProviderCommonMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/resourceProviderCommonMappers.ts
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is regenerated.
diff --git a/sdk/iothub/arm-iothub/src/operations/certificates.ts b/sdk/iothub/arm-iothub/src/operations/certificates.ts
index 6bce1e641031..8ea621758896 100644
--- a/sdk/iothub/arm-iothub/src/operations/certificates.ts
+++ b/sdk/iothub/arm-iothub/src/operations/certificates.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/operations/index.ts b/sdk/iothub/arm-iothub/src/operations/index.ts
index 5219b2ebc987..3b1febaa937b 100644
--- a/sdk/iothub/arm-iothub/src/operations/index.ts
+++ b/sdk/iothub/arm-iothub/src/operations/index.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/operations/iotHub.ts b/sdk/iothub/arm-iothub/src/operations/iotHub.ts
index efa557569c3a..0f0f2d75ce7c 100644
--- a/sdk/iothub/arm-iothub/src/operations/iotHub.ts
+++ b/sdk/iothub/arm-iothub/src/operations/iotHub.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/operations/iotHubResource.ts b/sdk/iothub/arm-iothub/src/operations/iotHubResource.ts
index f7f4d226fb59..802c50bc9bf9 100644
--- a/sdk/iothub/arm-iothub/src/operations/iotHubResource.ts
+++ b/sdk/iothub/arm-iothub/src/operations/iotHubResource.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
@@ -1749,6 +1748,9 @@ const listBySubscriptionNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1770,6 +1772,9 @@ const listByResourceGroupNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1791,6 +1796,9 @@ const getValidSkusNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1812,6 +1820,9 @@ const listEventHubConsumerGroupsNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1833,6 +1844,9 @@ const listJobsNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1854,6 +1868,9 @@ const getQuotaMetricsNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1875,6 +1892,9 @@ const getEndpointHealthNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
@@ -1896,6 +1916,9 @@ const listKeysNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
diff --git a/sdk/iothub/arm-iothub/src/operations/operations.ts b/sdk/iothub/arm-iothub/src/operations/operations.ts
index 1c9480e71f7b..b8ae9766132e 100644
--- a/sdk/iothub/arm-iothub/src/operations/operations.ts
+++ b/sdk/iothub/arm-iothub/src/operations/operations.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
@@ -108,6 +107,9 @@ const listNextOperationSpec: msRest.OperationSpec = {
   urlParameters: [
     Parameters.nextPageLink
   ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
   headerParameters: [
     Parameters.acceptLanguage
   ],
diff --git a/sdk/iothub/arm-iothub/src/operations/privateEndpointConnections.ts b/sdk/iothub/arm-iothub/src/operations/privateEndpointConnections.ts
index 65fe4595b6a7..f334cfcd50ec 100644
--- a/sdk/iothub/arm-iothub/src/operations/privateEndpointConnections.ts
+++ b/sdk/iothub/arm-iothub/src/operations/privateEndpointConnections.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/operations/privateLinkResourcesOperations.ts b/sdk/iothub/arm-iothub/src/operations/privateLinkResourcesOperations.ts
index 3063510eb6d8..ada51e543e33 100644
--- a/sdk/iothub/arm-iothub/src/operations/privateLinkResourcesOperations.ts
+++ b/sdk/iothub/arm-iothub/src/operations/privateLinkResourcesOperations.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is
diff --git a/sdk/iothub/arm-iothub/src/operations/resourceProviderCommon.ts b/sdk/iothub/arm-iothub/src/operations/resourceProviderCommon.ts
index 40d9058c47cd..b6630c9fe15d 100644
--- a/sdk/iothub/arm-iothub/src/operations/resourceProviderCommon.ts
+++ b/sdk/iothub/arm-iothub/src/operations/resourceProviderCommon.ts
@@ -1,7 +1,6 @@
 /*
- * Copyright (c) Microsoft Corporation. All rights reserved.
- * Licensed under the MIT License. See License.txt in the project root for
- * license information.
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
  *
  * Code generated by Microsoft (R) AutoRest Code Generator.
  * Changes may cause incorrect behavior and will be lost if the code is