diff --git a/sdk/iothub/arm-iothub/LICENSE.txt b/sdk/iothub/arm-iothub/LICENSE.txt
index ea8fb1516028..2d3163745319 100644
--- a/sdk/iothub/arm-iothub/LICENSE.txt
+++ b/sdk/iothub/arm-iothub/LICENSE.txt
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2020 Microsoft
+Copyright (c) 2021 Microsoft
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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..20e5c451dbd2 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 = '2021-03-03-preview';
     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..482ab5103ccb 100644
--- a/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/certificatesMappers.ts
@@ -1,12 +1,14 @@
 /*
- * 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.
  */
 
 export {
+  ArmIdentity,
+  ArmUserIdentity,
   BaseResource,
   CertificateDescription,
   CertificateListDescription,
@@ -29,7 +31,10 @@ export {
   IotHubSkuInfo,
   IpFilterRule,
   KeyVaultKeyProperties,
+  ManagedIdentity,
   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..294b4be54401 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
  */
@@ -321,6 +358,16 @@ export interface EventHubProperties {
   readonly endpoint?: string;
 }
 
+/**
+ * The properties of the Managed identity.
+ */
+export interface ManagedIdentity {
+  /**
+   * The user assigned identity.
+   */
+  userAssignedIdentity?: string;
+}
+
 /**
  * The properties related to service bus queue endpoint types.
  */
@@ -346,6 +393,10 @@ export interface RoutingServiceBusQueueEndpointProperties {
    * 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of routing service bus queue endpoint.
+   */
+  identity?: ManagedIdentity;
   /**
    * The name that identifies this endpoint. The name can only include alphanumeric characters,
    * periods, underscores, hyphens and has a maximum length of 64 characters. The following names
@@ -388,6 +439,10 @@ export interface RoutingServiceBusTopicEndpointProperties {
    * 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of routing service bus topic endpoint.
+   */
+  identity?: ManagedIdentity;
   /**
    * The name that identifies this endpoint. The name can only include alphanumeric characters,
    * periods, underscores, hyphens and has a maximum length of 64 characters. The following names
@@ -430,6 +485,10 @@ export interface RoutingEventHubProperties {
    * 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of routing event hub endpoint.
+   */
+  identity?: ManagedIdentity;
   /**
    * The name that identifies this endpoint. The name can only include alphanumeric characters,
    * periods, underscores, hyphens and has a maximum length of 64 characters. The following names
@@ -468,6 +527,10 @@ export interface RoutingStorageContainerProperties {
    * 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of routing storage endpoint.
+   */
+  identity?: ManagedIdentity;
   /**
    * The name that identifies this endpoint. The name can only include alphanumeric characters,
    * periods, underscores, hyphens and has a maximum length of 64 characters. The following names
@@ -551,7 +614,7 @@ 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', 'DigitalTwinChangeEvents', 'DeviceConnectionStateEvents'
    */
   source: RoutingSource;
   /**
@@ -665,6 +728,10 @@ export interface StorageEndpointProperties {
    * values include: 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of storage endpoint for file upload.
+   */
+  identity?: ManagedIdentity;
 }
 
 /**
@@ -744,6 +811,10 @@ export interface KeyVaultKeyProperties {
    * The identifier of the key.
    */
   keyIdentifier?: string;
+  /**
+   * Managed identity properties of KeyVault Key.
+   */
+  identity?: ManagedIdentity;
 }
 
 /**
@@ -794,6 +865,7 @@ 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.
@@ -935,6 +1007,44 @@ export interface PrivateLinkResources {
   value?: GroupIdInformation[];
 }
 
+/**
+ * An interface representing ArmUserIdentity.
+ */
+export interface ArmUserIdentity {
+  /**
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly principalId?: string;
+  /**
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly clientId?: string;
+}
+
+/**
+ * An interface representing ArmIdentity.
+ */
+export interface ArmIdentity {
+  /**
+   * Principal Id
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly principalId?: string;
+  /**
+   * Tenant Id
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly tenantId?: string;
+  /**
+   * The type of identity used for the resource. The type 'SystemAssigned,UserAssigned' includes
+   * both an implicitly created identity and a set of user assigned identities. The type 'None'
+   * will remove any identities from the service. Possible values include: 'SystemAssigned',
+   * 'UserAssigned', 'SystemAssigned, UserAssigned', 'None'
+   */
+  type?: ResourceIdentityType;
+  userAssignedIdentities?: { [propertyName: string]: ArmUserIdentity };
+}
+
 /**
  * The common properties of an Azure resource.
  */
@@ -981,6 +1091,10 @@ export interface IotHubDescription extends Resource {
    * IotHub SKU info
    */
   sku: IotHubSkuInfo;
+  /**
+   * The managed identities for the IotHub.
+   */
+  identity?: ArmIdentity;
 }
 
 /**
@@ -1417,7 +1531,8 @@ export interface RoutingTwin {
 export interface TestAllRoutesInput {
   /**
    * Routing source. Possible values include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
-   * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
+   * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents',
+   * 'DeviceConnectionStateEvents'
    */
   routingSource?: RoutingSource;
   /**
@@ -1560,6 +1675,10 @@ export interface ExportDevicesRequest {
    * values include: 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of storage endpoint for export devices.
+   */
+  identity?: ManagedIdentity;
 }
 
 /**
@@ -1587,6 +1706,10 @@ export interface ImportDevicesRequest {
    * values include: 'keyBased', 'identityBased'
    */
   authenticationType?: AuthenticationType;
+  /**
+   * Managed identity properties of storage endpoint for import devices.
+   */
+  identity?: ManagedIdentity;
 }
 
 /**
@@ -1811,6 +1934,22 @@ 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 +1969,12 @@ export type AuthenticationType = 'keyBased' | 'identityBased';
 /**
  * Defines values for RoutingSource.
  * Possible values include: 'Invalid', 'DeviceMessages', 'TwinChangeEvents',
- * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents'
+ * 'DeviceLifecycleEvents', 'DeviceJobLifecycleEvents', 'DigitalTwinChangeEvents',
+ * 'DeviceConnectionStateEvents'
  * @readonly
  * @enum {string}
  */
-export type RoutingSource = 'Invalid' | 'DeviceMessages' | 'TwinChangeEvents' | 'DeviceLifecycleEvents' | 'DeviceJobLifecycleEvents' | 'DigitalTwinChangeEvents';
+export type RoutingSource = 'Invalid' | 'DeviceMessages' | 'TwinChangeEvents' | 'DeviceLifecycleEvents' | 'DeviceJobLifecycleEvents' | 'DigitalTwinChangeEvents' | 'DeviceConnectionStateEvents';
 
 /**
  * Defines values for Capabilities.
@@ -1868,6 +2008,15 @@ export type IotHubSku = 'F1' | 'S1' | 'S2' | 'S3' | 'B1' | 'B2' | 'B3';
  */
 export type IotHubSkuTier = 'Free' | 'Standard' | 'Basic';
 
+/**
+ * Defines values for ResourceIdentityType.
+ * Possible values include: 'SystemAssigned', 'UserAssigned', 'SystemAssigned, UserAssigned',
+ * 'None'
+ * @readonly
+ * @enum {string}
+ */
+export type ResourceIdentityType = 'SystemAssigned' | 'UserAssigned' | 'SystemAssigned, UserAssigned' | 'None';
+
 /**
  * Defines values for EndpointHealthStatus.
  * Possible values include: 'unknown', 'healthy', 'degraded', 'unhealthy', 'dead'
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..f2d3b4e2187e 100644
--- a/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/iotHubResourceMappers.ts
@@ -1,12 +1,14 @@
 /*
- * 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.
  */
 
 export {
+  ArmIdentity,
+  ArmUserIdentity,
   BaseResource,
   CertificateDescription,
   CertificateProperties,
@@ -44,8 +46,11 @@ export {
   JobResponse,
   JobResponseListResult,
   KeyVaultKeyProperties,
+  ManagedIdentity,
   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..3a76b4ad0ed6 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: {
@@ -530,6 +598,22 @@ export const EventHubProperties: msRest.CompositeMapper = {
   }
 };
 
+export const ManagedIdentity: msRest.CompositeMapper = {
+  serializedName: "ManagedIdentity",
+  type: {
+    name: "Composite",
+    className: "ManagedIdentity",
+    modelProperties: {
+      userAssignedIdentity: {
+        serializedName: "userAssignedIdentity",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const RoutingServiceBusQueueEndpointProperties: msRest.CompositeMapper = {
   serializedName: "RoutingServiceBusQueueEndpointProperties",
   type: {
@@ -566,6 +650,13 @@ export const RoutingServiceBusQueueEndpointProperties: msRest.CompositeMapper =
           name: "String"
         }
       },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
+      },
       name: {
         required: true,
         serializedName: "name",
@@ -628,6 +719,13 @@ export const RoutingServiceBusTopicEndpointProperties: msRest.CompositeMapper =
           name: "String"
         }
       },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
+      },
       name: {
         required: true,
         serializedName: "name",
@@ -690,6 +788,13 @@ export const RoutingEventHubProperties: msRest.CompositeMapper = {
           name: "String"
         }
       },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
+      },
       name: {
         required: true,
         serializedName: "name",
@@ -746,6 +851,13 @@ export const RoutingStorageContainerProperties: msRest.CompositeMapper = {
           name: "String"
         }
       },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
+      },
       name: {
         required: true,
         serializedName: "name",
@@ -1097,6 +1209,13 @@ export const StorageEndpointProperties: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
       }
     }
   }
@@ -1231,6 +1350,13 @@ export const KeyVaultKeyProperties: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
       }
     }
   }
@@ -1322,6 +1448,13 @@ export const IotHubProperties: msRest.CompositeMapper = {
           }
         }
       },
+      networkRuleSets: {
+        serializedName: "networkRuleSets",
+        type: {
+          name: "Composite",
+          className: "NetworkRuleSetProperties"
+        }
+      },
       minTlsVersion: {
         serializedName: "minTlsVersion",
         type: {
@@ -1597,6 +1730,78 @@ export const PrivateLinkResources: msRest.CompositeMapper = {
   }
 };
 
+export const ArmUserIdentity: msRest.CompositeMapper = {
+  serializedName: "ArmUserIdentity",
+  type: {
+    name: "Composite",
+    className: "ArmUserIdentity",
+    modelProperties: {
+      principalId: {
+        readOnly: true,
+        serializedName: "principalId",
+        type: {
+          name: "String"
+        }
+      },
+      clientId: {
+        readOnly: true,
+        serializedName: "clientId",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
+export const ArmIdentity: msRest.CompositeMapper = {
+  serializedName: "ArmIdentity",
+  type: {
+    name: "Composite",
+    className: "ArmIdentity",
+    modelProperties: {
+      principalId: {
+        readOnly: true,
+        serializedName: "principalId",
+        type: {
+          name: "String"
+        }
+      },
+      tenantId: {
+        readOnly: true,
+        serializedName: "tenantId",
+        type: {
+          name: "String"
+        }
+      },
+      type: {
+        serializedName: "type",
+        type: {
+          name: "Enum",
+          allowedValues: [
+            "SystemAssigned",
+            "UserAssigned",
+            "SystemAssigned, UserAssigned",
+            "None"
+          ]
+        }
+      },
+      userAssignedIdentities: {
+        serializedName: "userAssignedIdentities",
+        type: {
+          name: "Dictionary",
+          value: {
+            type: {
+              name: "Composite",
+              className: "ArmUserIdentity"
+            }
+          }
+        }
+      }
+    }
+  }
+};
+
 export const Resource: msRest.CompositeMapper = {
   serializedName: "Resource",
   type: {
@@ -1676,6 +1881,13 @@ export const IotHubDescription: msRest.CompositeMapper = {
           name: "Composite",
           className: "IotHubSkuInfo"
         }
+      },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ArmIdentity"
+        }
       }
     }
   }
@@ -2630,6 +2842,13 @@ export const ExportDevicesRequest: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
       }
     }
   }
@@ -2672,6 +2891,13 @@ export const ImportDevicesRequest: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
+      },
+      identity: {
+        serializedName: "identity",
+        type: {
+          name: "Composite",
+          className: "ManagedIdentity"
+        }
       }
     }
   }
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..c62312d25085 100644
--- a/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts
+++ b/sdk/iothub/arm-iothub/src/models/privateEndpointConnectionsMappers.ts
@@ -1,12 +1,14 @@
 /*
- * 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.
  */
 
 export {
+  ArmIdentity,
+  ArmUserIdentity,
   BaseResource,
   CertificateDescription,
   CertificateProperties,
@@ -27,7 +29,10 @@ export {
   IotHubSkuInfo,
   IpFilterRule,
   KeyVaultKeyProperties,
+  ManagedIdentity,
   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