diff --git a/packages/@azure/arm-hdinsight/lib/hDInsightManagementClientContext.ts b/packages/@azure/arm-hdinsight/lib/hDInsightManagementClientContext.ts
index 1e8735107ed5..0b55e14e02d3 100644
--- a/packages/@azure/arm-hdinsight/lib/hDInsightManagementClientContext.ts
+++ b/packages/@azure/arm-hdinsight/lib/hDInsightManagementClientContext.ts
@@ -13,7 +13,7 @@ import * as msRest from "ms-rest-js";
 import * as msRestAzure from "ms-rest-azure-js";
 
 const packageName = "@azure/arm-hdinsight";
-const packageVersion = "1.0.0-preview";
+const packageVersion = "0.1.0";
 
 export class HDInsightManagementClientContext extends msRestAzure.AzureServiceClient {
   credentials: msRest.ServiceClientCredentials;
@@ -38,6 +38,11 @@ export class HDInsightManagementClientContext extends msRestAzure.AzureServiceCl
     if (!options) {
       options = {};
     }
+    if(!options.userAgent) {
+      const defaultUserAgent = msRestAzure.getDefaultUserAgentValue();
+      options.userAgent = `${packageName}/${packageVersion} ${defaultUserAgent}`;
+    }
+
     super(credentials, options);
 
     this.apiVersion = '2018-06-01-preview';
@@ -48,7 +53,6 @@ export class HDInsightManagementClientContext extends msRestAzure.AzureServiceCl
     this.credentials = credentials;
     this.subscriptionId = subscriptionId;
 
-    this.addUserAgentInfo(`${packageName}/${packageVersion}`);
     if(options.acceptLanguage !== null && options.acceptLanguage !== undefined) {
       this.acceptLanguage = options.acceptLanguage;
     }
diff --git a/packages/@azure/arm-hdinsight/lib/models/applicationsMappers.ts b/packages/@azure/arm-hdinsight/lib/models/applicationsMappers.ts
index 348d56ccccca..80b8ad1c15b6 100644
--- a/packages/@azure/arm-hdinsight/lib/models/applicationsMappers.ts
+++ b/packages/@azure/arm-hdinsight/lib/models/applicationsMappers.ts
@@ -39,6 +39,7 @@ export {
   SecurityProfile,
   QuotaInfo,
   ConnectivityEndpoint,
+  DiskEncryptionProperties,
   ClusterIdentity,
   ClusterIdentityUserAssignedIdentitiesValue
 } from "../models/mappers";
diff --git a/packages/@azure/arm-hdinsight/lib/models/clustersMappers.ts b/packages/@azure/arm-hdinsight/lib/models/clustersMappers.ts
index a165226bb116..37d2d8261d48 100644
--- a/packages/@azure/arm-hdinsight/lib/models/clustersMappers.ts
+++ b/packages/@azure/arm-hdinsight/lib/models/clustersMappers.ts
@@ -25,6 +25,7 @@ export {
   ScriptAction,
   StorageProfile,
   StorageAccount,
+  DiskEncryptionProperties,
   ClusterIdentity,
   ClusterIdentityUserAssignedIdentitiesValue,
   Cluster,
@@ -39,6 +40,7 @@ export {
   ClusterPatchParameters,
   ClusterListResult,
   ClusterResizeParameters,
+  ClusterDiskEncryptionParameters,
   ExecuteScriptActionParameters,
   RuntimeScriptAction,
   RuntimeScriptActionDetail,
diff --git a/packages/@azure/arm-hdinsight/lib/models/index.ts b/packages/@azure/arm-hdinsight/lib/models/index.ts
index 2134515b5642..e78c1379a528 100644
--- a/packages/@azure/arm-hdinsight/lib/models/index.ts
+++ b/packages/@azure/arm-hdinsight/lib/models/index.ts
@@ -337,6 +337,41 @@ export interface StorageProfile {
   storageaccounts?: StorageAccount[];
 }
 
+/**
+ * @interface
+ * An interface representing DiskEncryptionProperties.
+ * The disk encryption properties
+ *
+ */
+export interface DiskEncryptionProperties {
+  /**
+   * @member {string} [vaultUri] Base key vault URI where the customers key is
+   * located eg. https://myvault.vault.azure.net
+   */
+  vaultUri?: string;
+  /**
+   * @member {string} [keyName] Key name that is used for enabling disk
+   * encryption.
+   */
+  keyName?: string;
+  /**
+   * @member {string} [keyVersion] Specific key version that is used for
+   * enabling disk encryption.
+   */
+  keyVersion?: string;
+  /**
+   * @member {JsonWebKeyEncryptionAlgorithm} [encryptionAlgorithm] Algorithm
+   * identifier for encryption, default RSA-OAEP. Possible values include:
+   * 'RSA-OAEP', 'RSA-OAEP-256', 'RSA1_5'
+   */
+  encryptionAlgorithm?: JsonWebKeyEncryptionAlgorithm;
+  /**
+   * @member {string} [msiResourceId] Resource ID of Managed Identity that is
+   * used to access the key vault.
+   */
+  msiResourceId?: string;
+}
+
 /**
  * @interface
  * An interface representing ClusterCreateProperties.
@@ -374,6 +409,11 @@ export interface ClusterCreateProperties {
    * @member {StorageProfile} [storageProfile] The storage profile.
    */
   storageProfile?: StorageProfile;
+  /**
+   * @member {DiskEncryptionProperties} [diskEncryptionProperties] The disk
+   * encryption properties.
+   */
+  diskEncryptionProperties?: DiskEncryptionProperties;
 }
 
 /**
@@ -589,6 +629,11 @@ export interface ClusterGetProperties {
    * connectivity endpoints.
    */
   connectivityEndpoints?: ConnectivityEndpoint[];
+  /**
+   * @member {DiskEncryptionProperties} [diskEncryptionProperties] The disk
+   * encryption properties.
+   */
+  diskEncryptionProperties?: DiskEncryptionProperties;
 }
 
 /**
@@ -846,6 +891,30 @@ export interface ClusterResizeParameters {
   targetInstanceCount?: number;
 }
 
+/**
+ * @interface
+ * An interface representing ClusterDiskEncryptionParameters.
+ * The Disk Encryption Cluster request parameters.
+ *
+ */
+export interface ClusterDiskEncryptionParameters {
+  /**
+   * @member {string} [vaultUri] Base key vault URI where the customers key is
+   * located eg. https://myvault.vault.azure.net
+   */
+  vaultUri?: string;
+  /**
+   * @member {string} [keyName] Key name that is used for enabling disk
+   * encryption.
+   */
+  keyName?: string;
+  /**
+   * @member {string} [keyVersion] Specific key version that is used for
+   * enabling disk encryption.
+   */
+  keyVersion?: string;
+}
+
 /**
  * @interface
  * An interface representing OperationResource.
@@ -917,12 +986,6 @@ export interface ApplicationGetHttpsEndpoint {
    * @member {number} [publicPort] The public port to connect to.
    */
   publicPort?: number;
-  /**
-   * @property Describes unknown properties. The value of an unknown property
-   * MUST be of type "string". Due to valid TS constraints we have modeled this
-   * as a union of `string | any`.
-   */
-  [property: string]: string | any;
 }
 
 /**
@@ -1011,11 +1074,6 @@ export interface ApplicationProperties {
    * the server.**
    */
   readonly marketplaceIdentifier?: string;
-  /**
-   * @member {string} [additionalProperties] The additional properties for
-   * application.
-   */
-  additionalProperties?: string;
 }
 
 /**
@@ -1328,9 +1386,7 @@ export interface OperationListResult extends Array<Operation> {
  * @readonly
  * @enum {string}
  */
-export enum DirectoryType {
-  ActiveDirectory = 'ActiveDirectory',
-}
+export type DirectoryType = 'ActiveDirectory';
 
 /**
  * Defines values for OSType.
@@ -1338,10 +1394,7 @@ export enum DirectoryType {
  * @readonly
  * @enum {string}
  */
-export enum OSType {
-  Windows = 'Windows',
-  Linux = 'Linux',
-}
+export type OSType = 'Windows' | 'Linux';
 
 /**
  * Defines values for Tier.
@@ -1349,39 +1402,32 @@ export enum OSType {
  * @readonly
  * @enum {string}
  */
-export enum Tier {
-  Standard = 'Standard',
-  Premium = 'Premium',
-}
+export type Tier = 'Standard' | 'Premium';
+
+/**
+ * Defines values for JsonWebKeyEncryptionAlgorithm.
+ * Possible values include: 'RSA-OAEP', 'RSA-OAEP-256', 'RSA1_5'
+ * @readonly
+ * @enum {string}
+ */
+export type JsonWebKeyEncryptionAlgorithm = 'RSA-OAEP' | 'RSA-OAEP-256' | 'RSA1_5';
 
 /**
  * Defines values for ResourceIdentityType.
- * Possible values include: 'SystemAssigned', 'UserAssigned', 'SystemAssigned,
- * UserAssigned', 'None'
+ * Possible values include: 'SystemAssigned', 'UserAssigned', 'SystemAssigned, UserAssigned',
+ * 'None'
  * @readonly
  * @enum {string}
  */
-export enum ResourceIdentityType {
-  SystemAssigned = 'SystemAssigned',
-  UserAssigned = 'UserAssigned',
-  SystemAssignedUserAssigned = 'SystemAssigned, UserAssigned',
-  None = 'None',
-}
+export type ResourceIdentityType = 'SystemAssigned' | 'UserAssigned' | 'SystemAssigned, UserAssigned' | 'None';
 
 /**
  * Defines values for HDInsightClusterProvisioningState.
- * Possible values include: 'InProgress', 'Failed', 'Succeeded', 'Canceled',
- * 'Deleting'
+ * Possible values include: 'InProgress', 'Failed', 'Succeeded', 'Canceled', 'Deleting'
  * @readonly
  * @enum {string}
  */
-export enum HDInsightClusterProvisioningState {
-  InProgress = 'InProgress',
-  Failed = 'Failed',
-  Succeeded = 'Succeeded',
-  Canceled = 'Canceled',
-  Deleting = 'Deleting',
-}
+export type HDInsightClusterProvisioningState = 'InProgress' | 'Failed' | 'Succeeded' | 'Canceled' | 'Deleting';
 
 /**
  * Defines values for AsyncOperationState.
@@ -1389,11 +1435,7 @@ export enum HDInsightClusterProvisioningState {
  * @readonly
  * @enum {string}
  */
-export enum AsyncOperationState {
-  InProgress = 'InProgress',
-  Succeeded = 'Succeeded',
-  Failed = 'Failed',
-}
+export type AsyncOperationState = 'InProgress' | 'Succeeded' | 'Failed';
 
 /**
  * Contains response data for the create operation.
diff --git a/packages/@azure/arm-hdinsight/lib/models/mappers.ts b/packages/@azure/arm-hdinsight/lib/models/mappers.ts
index 092970d6df6b..017d9b8bef5d 100644
--- a/packages/@azure/arm-hdinsight/lib/models/mappers.ts
+++ b/packages/@azure/arm-hdinsight/lib/models/mappers.ts
@@ -470,6 +470,46 @@ export const StorageProfile: msRest.CompositeMapper = {
   }
 };
 
+export const DiskEncryptionProperties: msRest.CompositeMapper = {
+  serializedName: "DiskEncryptionProperties",
+  type: {
+    name: "Composite",
+    className: "DiskEncryptionProperties",
+    modelProperties: {
+      vaultUri: {
+        serializedName: "vaultUri",
+        type: {
+          name: "String"
+        }
+      },
+      keyName: {
+        serializedName: "keyName",
+        type: {
+          name: "String"
+        }
+      },
+      keyVersion: {
+        serializedName: "keyVersion",
+        type: {
+          name: "String"
+        }
+      },
+      encryptionAlgorithm: {
+        serializedName: "encryptionAlgorithm",
+        type: {
+          name: "String"
+        }
+      },
+      msiResourceId: {
+        serializedName: "msiResourceId",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const ClusterCreateProperties: msRest.CompositeMapper = {
   serializedName: "ClusterCreateProperties",
   type: {
@@ -529,6 +569,13 @@ export const ClusterCreateProperties: msRest.CompositeMapper = {
           name: "Composite",
           className: "StorageProfile"
         }
+      },
+      diskEncryptionProperties: {
+        serializedName: "diskEncryptionProperties",
+        type: {
+          name: "Composite",
+          className: "DiskEncryptionProperties"
+        }
       }
     }
   }
@@ -850,6 +897,13 @@ export const ClusterGetProperties: msRest.CompositeMapper = {
             }
           }
         }
+      },
+      diskEncryptionProperties: {
+        serializedName: "diskEncryptionProperties",
+        type: {
+          name: "Composite",
+          className: "DiskEncryptionProperties"
+        }
       }
     }
   }
@@ -1188,6 +1242,34 @@ export const ClusterResizeParameters: msRest.CompositeMapper = {
   }
 };
 
+export const ClusterDiskEncryptionParameters: msRest.CompositeMapper = {
+  serializedName: "ClusterDiskEncryptionParameters",
+  type: {
+    name: "Composite",
+    className: "ClusterDiskEncryptionParameters",
+    modelProperties: {
+      vaultUri: {
+        serializedName: "vaultUri",
+        type: {
+          name: "String"
+        }
+      },
+      keyName: {
+        serializedName: "keyName",
+        type: {
+          name: "String"
+        }
+      },
+      keyVersion: {
+        serializedName: "keyVersion",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const OperationResource: msRest.CompositeMapper = {
   serializedName: "OperationResource",
   type: {
@@ -1284,11 +1366,6 @@ export const ApplicationGetHttpsEndpoint: msRest.CompositeMapper = {
           name: "Number"
         }
       }
-    },
-    additionalProperties: {
-      type: {
-        name: "String"
-      }
     }
   }
 };
@@ -1365,12 +1442,7 @@ export const ApplicationProperties: msRest.CompositeMapper = {
           element: {
             type: {
               name: "Composite",
-              className: "ApplicationGetHttpsEndpoint",
-              additionalProperties: {
-                type: {
-                  name: "String"
-                }
-              }
+              className: "ApplicationGetHttpsEndpoint"
             }
           }
         }
@@ -1432,12 +1504,6 @@ export const ApplicationProperties: msRest.CompositeMapper = {
         type: {
           name: "String"
         }
-      },
-      additionalProperties: {
-        serializedName: "additionalProperties",
-        type: {
-          name: "String"
-        }
       }
     }
   }
diff --git a/packages/@azure/arm-hdinsight/lib/operations/applications.ts b/packages/@azure/arm-hdinsight/lib/operations/applications.ts
index ef2fe328b4f3..0425e3792096 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/applications.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/applications.ts
@@ -48,7 +48,7 @@ export class Applications {
    * @param callback The callback
    */
   listByCluster(resourceGroupName: string, clusterName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ApplicationListResult>): void;
-  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ApplicationListResult>): Promise<Models.ApplicationsListByClusterResponse> {
+  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ApplicationListResult>, callback?: msRest.ServiceCallback<Models.ApplicationListResult>): Promise<Models.ApplicationsListByClusterResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -83,7 +83,7 @@ export class Applications {
    * @param callback The callback
    */
   get(resourceGroupName: string, clusterName: string, applicationName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.Application>): void;
-  get(resourceGroupName: string, clusterName: string, applicationName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.Application>): Promise<Models.ApplicationsGetResponse> {
+  get(resourceGroupName: string, clusterName: string, applicationName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.Application>, callback?: msRest.ServiceCallback<Models.Application>): Promise<Models.ApplicationsGetResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -182,7 +182,7 @@ export class Applications {
    * @param callback The callback
    */
   listByClusterNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ApplicationListResult>): void;
-  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ApplicationListResult>): Promise<Models.ApplicationsListByClusterNextResponse> {
+  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ApplicationListResult>, callback?: msRest.ServiceCallback<Models.ApplicationListResult>): Promise<Models.ApplicationsListByClusterNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/clusters.ts b/packages/@azure/arm-hdinsight/lib/operations/clusters.ts
index 5dcb3dc7a09c..a014fb265524 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/clusters.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/clusters.ts
@@ -64,7 +64,7 @@ export class Clusters {
    * @param callback The callback
    */
   update(resourceGroupName: string, clusterName: string, parameters: Models.ClusterPatchParameters, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.Cluster>): void;
-  update(resourceGroupName: string, clusterName: string, parameters: Models.ClusterPatchParameters, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.Cluster>): Promise<Models.ClustersUpdateResponse> {
+  update(resourceGroupName: string, clusterName: string, parameters: Models.ClusterPatchParameters, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.Cluster>, callback?: msRest.ServiceCallback<Models.Cluster>): Promise<Models.ClustersUpdateResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -109,7 +109,7 @@ export class Clusters {
    * @param callback The callback
    */
   get(resourceGroupName: string, clusterName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.Cluster>): void;
-  get(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.Cluster>): Promise<Models.ClustersGetResponse> {
+  get(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.Cluster>, callback?: msRest.ServiceCallback<Models.Cluster>): Promise<Models.ClustersGetResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -138,7 +138,7 @@ export class Clusters {
    * @param callback The callback
    */
   listByResourceGroup(resourceGroupName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ClusterListResult>): void;
-  listByResourceGroup(resourceGroupName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListByResourceGroupResponse> {
+  listByResourceGroup(resourceGroupName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ClusterListResult>, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListByResourceGroupResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -176,7 +176,7 @@ export class Clusters {
    * @param callback The callback
    */
   list(options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ClusterListResult>): void;
-  list(options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListResponse> {
+  list(options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ClusterListResult>, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListResponse> {
     return this.client.sendOperationRequest(
       {
         options
@@ -185,6 +185,19 @@ export class Clusters {
       callback) as Promise<Models.ClustersListResponse>;
   }
 
+  /**
+   * Rotate disk encryption key of the specified HDInsight cluster.
+   * @param resourceGroupName The name of the resource group.
+   * @param clusterName The name of the cluster.
+   * @param parameters The parameters for the disk encryption operation.
+   * @param [options] The optional parameters
+   * @returns Promise<msRest.RestResponse>
+   */
+  rotateDiskEncryptionKey(resourceGroupName: string, clusterName: string, parameters: Models.ClusterDiskEncryptionParameters, options?: msRest.RequestOptionsBase): Promise<msRest.RestResponse> {
+    return this.beginRotateDiskEncryptionKey(resourceGroupName,clusterName,parameters,options)
+      .then(lroPoller => lroPoller.pollUntilFinished());
+  }
+
   /**
    * Executes script actions on the specified HDInsight cluster.
    * @param resourceGroupName The name of the resource group.
@@ -256,6 +269,26 @@ export class Clusters {
       options);
   }
 
+  /**
+   * Rotate disk encryption key of the specified HDInsight cluster.
+   * @param resourceGroupName The name of the resource group.
+   * @param clusterName The name of the cluster.
+   * @param parameters The parameters for the disk encryption operation.
+   * @param [options] The optional parameters
+   * @returns Promise<msRestAzure.LROPoller>
+   */
+  beginRotateDiskEncryptionKey(resourceGroupName: string, clusterName: string, parameters: Models.ClusterDiskEncryptionParameters, options?: msRest.RequestOptionsBase): Promise<msRestAzure.LROPoller> {
+    return this.client.sendLRORequest(
+      {
+        resourceGroupName,
+        clusterName,
+        parameters,
+        options
+      },
+      beginRotateDiskEncryptionKeyOperationSpec,
+      options);
+  }
+
   /**
    * Executes script actions on the specified HDInsight cluster.
    * @param resourceGroupName The name of the resource group.
@@ -294,7 +327,7 @@ export class Clusters {
    * @param callback The callback
    */
   listByResourceGroupNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ClusterListResult>): void;
-  listByResourceGroupNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListByResourceGroupNextResponse> {
+  listByResourceGroupNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ClusterListResult>, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListByResourceGroupNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
@@ -322,7 +355,7 @@ export class Clusters {
    * @param callback The callback
    */
   listNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ClusterListResult>): void;
-  listNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListNextResponse> {
+  listNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ClusterListResult>, callback?: msRest.ServiceCallback<Models.ClusterListResult>): Promise<Models.ClustersListNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
@@ -527,6 +560,37 @@ const beginResizeOperationSpec: msRest.OperationSpec = {
   serializer
 };
 
+const beginRotateDiskEncryptionKeyOperationSpec: msRest.OperationSpec = {
+  httpMethod: "POST",
+  path: "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.HDInsight/clusters/{clusterName}/rotatediskencryptionkey",
+  urlParameters: [
+    Parameters.subscriptionId,
+    Parameters.resourceGroupName,
+    Parameters.clusterName
+  ],
+  queryParameters: [
+    Parameters.apiVersion
+  ],
+  headerParameters: [
+    Parameters.acceptLanguage
+  ],
+  requestBody: {
+    parameterPath: "parameters",
+    mapper: {
+      ...Mappers.ClusterDiskEncryptionParameters,
+      required: true
+    }
+  },
+  responses: {
+    200: {},
+    202: {},
+    default: {
+      bodyMapper: Mappers.ErrorResponse
+    }
+  },
+  serializer
+};
+
 const beginExecuteScriptActionsOperationSpec: msRest.OperationSpec = {
   httpMethod: "POST",
   path: "subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.HDInsight/clusters/{clusterName}/executeScriptActions",
diff --git a/packages/@azure/arm-hdinsight/lib/operations/configurations.ts b/packages/@azure/arm-hdinsight/lib/operations/configurations.ts
index 3cd5b0c8888a..4ecaec387d61 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/configurations.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/configurations.ts
@@ -65,7 +65,7 @@ export class Configurations {
    * @param callback The callback
    */
   get(resourceGroupName: string, clusterName: string, configurationName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<{ [propertyName: string]: string }>): void;
-  get(resourceGroupName: string, clusterName: string, configurationName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<{ [propertyName: string]: string }>): Promise<Models.ConfigurationsGetResponse> {
+  get(resourceGroupName: string, clusterName: string, configurationName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<{ [propertyName: string]: string }>, callback?: msRest.ServiceCallback<{ [propertyName: string]: string }>): Promise<Models.ConfigurationsGetResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/extensions.ts b/packages/@azure/arm-hdinsight/lib/operations/extensions.ts
index c48e7f27864b..0a82df3216ec 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/extensions.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/extensions.ts
@@ -61,7 +61,7 @@ export class Extensions {
    * @param callback The callback
    */
   getMonitoringStatus(resourceGroupName: string, clusterName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ClusterMonitoringResponse>): void;
-  getMonitoringStatus(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ClusterMonitoringResponse>): Promise<Models.ExtensionsGetMonitoringStatusResponse> {
+  getMonitoringStatus(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ClusterMonitoringResponse>, callback?: msRest.ServiceCallback<Models.ClusterMonitoringResponse>): Promise<Models.ExtensionsGetMonitoringStatusResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -122,7 +122,7 @@ export class Extensions {
    * @param callback The callback
    */
   get(resourceGroupName: string, clusterName: string, extensionName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.Extension>): void;
-  get(resourceGroupName: string, clusterName: string, extensionName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.Extension>): Promise<Models.ExtensionsGetResponse> {
+  get(resourceGroupName: string, clusterName: string, extensionName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.Extension>, callback?: msRest.ServiceCallback<Models.Extension>): Promise<Models.ExtensionsGetResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/locations.ts b/packages/@azure/arm-hdinsight/lib/operations/locations.ts
index 6188754952d1..5968bf2860ba 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/locations.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/locations.ts
@@ -44,7 +44,7 @@ export class Locations {
    * @param callback The callback
    */
   listUsages(location: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.UsagesListResult>): void;
-  listUsages(location: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.UsagesListResult>): Promise<Models.LocationsListUsagesResponse> {
+  listUsages(location: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.UsagesListResult>, callback?: msRest.ServiceCallback<Models.UsagesListResult>): Promise<Models.LocationsListUsagesResponse> {
     return this.client.sendOperationRequest(
       {
         location,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/operations.ts b/packages/@azure/arm-hdinsight/lib/operations/operations.ts
index 027333446006..597175173ed1 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/operations.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/operations.ts
@@ -41,7 +41,7 @@ export class Operations {
    * @param callback The callback
    */
   list(options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.OperationListResult>): void;
-  list(options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.OperationListResult>): Promise<Models.OperationsListResponse> {
+  list(options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.OperationListResult>, callback?: msRest.ServiceCallback<Models.OperationListResult>): Promise<Models.OperationsListResponse> {
     return this.client.sendOperationRequest(
       {
         options
@@ -68,7 +68,7 @@ export class Operations {
    * @param callback The callback
    */
   listNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.OperationListResult>): void;
-  listNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.OperationListResult>): Promise<Models.OperationsListNextResponse> {
+  listNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.OperationListResult>, callback?: msRest.ServiceCallback<Models.OperationListResult>): Promise<Models.OperationsListNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/scriptActions.ts b/packages/@azure/arm-hdinsight/lib/operations/scriptActions.ts
index ed225185897b..1beda746b394 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/scriptActions.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/scriptActions.ts
@@ -50,7 +50,7 @@ export class ScriptActions {
    * @param callback The callback
    */
   deleteMethod(resourceGroupName: string, clusterName: string, scriptName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<void>): void;
-  deleteMethod(resourceGroupName: string, clusterName: string, scriptName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<void>): Promise<msRest.RestResponse> {
+  deleteMethod(resourceGroupName: string, clusterName: string, scriptName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<void>, callback?: msRest.ServiceCallback<void>): Promise<msRest.RestResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -83,7 +83,7 @@ export class ScriptActions {
    * @param callback The callback
    */
   listByCluster(resourceGroupName: string, clusterName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ScriptActionsList>): void;
-  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ScriptActionsList>): Promise<Models.ScriptActionsListByClusterResponse> {
+  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ScriptActionsList>, callback?: msRest.ServiceCallback<Models.ScriptActionsList>): Promise<Models.ScriptActionsListByClusterResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -118,7 +118,7 @@ export class ScriptActions {
    * @param callback The callback
    */
   getExecutionDetail(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.RuntimeScriptActionDetail>): void;
-  getExecutionDetail(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.RuntimeScriptActionDetail>): Promise<Models.ScriptActionsGetExecutionDetailResponse> {
+  getExecutionDetail(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.RuntimeScriptActionDetail>, callback?: msRest.ServiceCallback<Models.RuntimeScriptActionDetail>): Promise<Models.ScriptActionsGetExecutionDetailResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -148,7 +148,7 @@ export class ScriptActions {
    * @param callback The callback
    */
   listByClusterNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ScriptActionsList>): void;
-  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ScriptActionsList>): Promise<Models.ScriptActionsListByClusterNextResponse> {
+  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ScriptActionsList>, callback?: msRest.ServiceCallback<Models.ScriptActionsList>): Promise<Models.ScriptActionsListByClusterNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
diff --git a/packages/@azure/arm-hdinsight/lib/operations/scriptExecutionHistory.ts b/packages/@azure/arm-hdinsight/lib/operations/scriptExecutionHistory.ts
index 478a864e80dc..64858ea4b376 100644
--- a/packages/@azure/arm-hdinsight/lib/operations/scriptExecutionHistory.ts
+++ b/packages/@azure/arm-hdinsight/lib/operations/scriptExecutionHistory.ts
@@ -47,7 +47,7 @@ export class ScriptExecutionHistory {
    * @param callback The callback
    */
   listByCluster(resourceGroupName: string, clusterName: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): void;
-  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): Promise<Models.ScriptExecutionHistoryListByClusterResponse> {
+  listByCluster(resourceGroupName: string, clusterName: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>, callback?: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): Promise<Models.ScriptExecutionHistoryListByClusterResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -82,7 +82,7 @@ export class ScriptExecutionHistory {
    * @param callback The callback
    */
   promote(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<void>): void;
-  promote(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<void>): Promise<msRest.RestResponse> {
+  promote(resourceGroupName: string, clusterName: string, scriptExecutionId: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<void>, callback?: msRest.ServiceCallback<void>): Promise<msRest.RestResponse> {
     return this.client.sendOperationRequest(
       {
         resourceGroupName,
@@ -112,7 +112,7 @@ export class ScriptExecutionHistory {
    * @param callback The callback
    */
   listByClusterNext(nextPageLink: string, options: msRest.RequestOptionsBase, callback: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): void;
-  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase, callback?: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): Promise<Models.ScriptExecutionHistoryListByClusterNextResponse> {
+  listByClusterNext(nextPageLink: string, options?: msRest.RequestOptionsBase | msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>, callback?: msRest.ServiceCallback<Models.ScriptActionExecutionHistoryList>): Promise<Models.ScriptExecutionHistoryListByClusterNextResponse> {
     return this.client.sendOperationRequest(
       {
         nextPageLink,
diff --git a/packages/@azure/arm-hdinsight/package.json b/packages/@azure/arm-hdinsight/package.json
index 41e3bb491b31..13722ecbe389 100644
--- a/packages/@azure/arm-hdinsight/package.json
+++ b/packages/@azure/arm-hdinsight/package.json
@@ -4,8 +4,8 @@
   "description": "HDInsightManagementClient Library with typescript type definitions for node.js and browser.",
   "version": "0.1.0",
   "dependencies": {
-    "ms-rest-azure-js": "^1.0.176",
-    "ms-rest-js": "^1.0.455",
+    "ms-rest-azure-js": "^1.0.181",
+    "ms-rest-js": "^1.0.460",
     "tslib": "^1.9.3"
   },
   "keywords": [
@@ -52,4 +52,4 @@
     "prepack": "npm install && npm run build"
   },
   "sideEffects": false
-}
\ No newline at end of file
+}