diff --git a/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/BillingResponseListResult.cs b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/BillingResponseListResult.cs
index e90841475b44..1e92363e8333 100644
--- a/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/BillingResponseListResult.cs
+++ b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/BillingResponseListResult.cs
@@ -39,11 +39,16 @@ public BillingResponseListResult()
         /// sizes in a particular set.</param>
         /// <param name="billingResources">The billing and managed disk billing
         /// resources for a region.</param>
-        public BillingResponseListResult(IList<string> vmSizes = default(IList<string>), IList<VmSizeCompatibilityFilterV2> vmSizeFilters = default(IList<VmSizeCompatibilityFilterV2>), IList<BillingResources> billingResources = default(IList<BillingResources>))
+        /// <param name="vmSizesWithEncryptionAtHost">The vm sizes when
+        /// enabling encryption at host.</param>
+        /// <param name="vmSizeProperties">The vm size properties.</param>
+        public BillingResponseListResult(IList<string> vmSizes = default(IList<string>), IList<VmSizeCompatibilityFilterV2> vmSizeFilters = default(IList<VmSizeCompatibilityFilterV2>), IList<BillingResources> billingResources = default(IList<BillingResources>), IList<string> vmSizesWithEncryptionAtHost = default(IList<string>), IList<VmSizeProperty> vmSizeProperties = default(IList<VmSizeProperty>))
         {
             VmSizes = vmSizes;
             VmSizeFilters = vmSizeFilters;
             BillingResources = billingResources;
+            VmSizesWithEncryptionAtHost = vmSizesWithEncryptionAtHost;
+            VmSizeProperties = vmSizeProperties;
             CustomInit();
         }
 
@@ -73,5 +78,17 @@ public BillingResponseListResult()
         [JsonProperty(PropertyName = "billingResources")]
         public IList<BillingResources> BillingResources { get; set; }
 
+        /// <summary>
+        /// Gets the vm sizes when enabling encryption at host.
+        /// </summary>
+        [JsonProperty(PropertyName = "vmSizesWithEncryptionAtHost")]
+        public IList<string> VmSizesWithEncryptionAtHost { get; private set; }
+
+        /// <summary>
+        /// Gets the vm size properties.
+        /// </summary>
+        [JsonProperty(PropertyName = "vmSizeProperties")]
+        public IList<VmSizeProperty> VmSizeProperties { get; private set; }
+
     }
 }
diff --git a/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/VmSizeProperty.cs b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/VmSizeProperty.cs
new file mode 100644
index 000000000000..a1e323854906
--- /dev/null
+++ b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/Models/VmSizeProperty.cs
@@ -0,0 +1,135 @@
+// <auto-generated>
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License. See License.txt in the project root for
+// license information.
+//
+// Code generated by Microsoft (R) AutoRest Code Generator.
+// Changes may cause incorrect behavior and will be lost if the code is
+// regenerated.
+// </auto-generated>
+
+namespace Microsoft.Azure.Management.HDInsight.Models
+{
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The vm size property
+    /// </summary>
+    public partial class VmSizeProperty
+    {
+        /// <summary>
+        /// Initializes a new instance of the VmSizeProperty class.
+        /// </summary>
+        public VmSizeProperty()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the VmSizeProperty class.
+        /// </summary>
+        /// <param name="name">The vm size name</param>
+        /// <param name="cores">The number of cores that the vm size
+        /// has.</param>
+        /// <param name="dataDiskStorageTier">The data disk storage tier of the
+        /// vm size.</param>
+        /// <param name="label">The label of the vm size.</param>
+        /// <param name="maxDataDiskCount">The max data disk count of the vm
+        /// size.</param>
+        /// <param name="memoryInMb">The memory whose unit is MB of the vm
+        /// size.</param>
+        /// <param name="supportedByVirtualMachines">This indicates this vm
+        /// size is supported by virtual machines or not</param>
+        /// <param name="supportedByWebWorkerRoles">The indicates this vm size
+        /// is supported by web worker roles or not</param>
+        /// <param name="virtualMachineResourceDiskSizeInMb">The virtual
+        /// machine resource disk size whose unit is MB of the vm size.</param>
+        /// <param name="webWorkerResourceDiskSizeInMb">The web worker resource
+        /// disk size whose unit is MB of the vm size.</param>
+        public VmSizeProperty(string name = default(string), string cores = default(string), string dataDiskStorageTier = default(string), string label = default(string), string maxDataDiskCount = default(string), string memoryInMb = default(string), string supportedByVirtualMachines = default(string), string supportedByWebWorkerRoles = default(string), string virtualMachineResourceDiskSizeInMb = default(string), string webWorkerResourceDiskSizeInMb = default(string))
+        {
+            Name = name;
+            Cores = cores;
+            DataDiskStorageTier = dataDiskStorageTier;
+            Label = label;
+            MaxDataDiskCount = maxDataDiskCount;
+            MemoryInMb = memoryInMb;
+            SupportedByVirtualMachines = supportedByVirtualMachines;
+            SupportedByWebWorkerRoles = supportedByWebWorkerRoles;
+            VirtualMachineResourceDiskSizeInMb = virtualMachineResourceDiskSizeInMb;
+            WebWorkerResourceDiskSizeInMb = webWorkerResourceDiskSizeInMb;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the vm size name
+        /// </summary>
+        [JsonProperty(PropertyName = "name")]
+        public string Name { get; set; }
+
+        /// <summary>
+        /// Gets or sets the number of cores that the vm size has.
+        /// </summary>
+        [JsonProperty(PropertyName = "cores")]
+        public string Cores { get; set; }
+
+        /// <summary>
+        /// Gets or sets the data disk storage tier of the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "dataDiskStorageTier")]
+        public string DataDiskStorageTier { get; set; }
+
+        /// <summary>
+        /// Gets or sets the label of the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "label")]
+        public string Label { get; set; }
+
+        /// <summary>
+        /// Gets or sets the max data disk count of the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "maxDataDiskCount")]
+        public string MaxDataDiskCount { get; set; }
+
+        /// <summary>
+        /// Gets or sets the memory whose unit is MB of the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "memoryInMb")]
+        public string MemoryInMb { get; set; }
+
+        /// <summary>
+        /// Gets or sets this indicates this vm size is supported by virtual
+        /// machines or not
+        /// </summary>
+        [JsonProperty(PropertyName = "supportedByVirtualMachines")]
+        public string SupportedByVirtualMachines { get; set; }
+
+        /// <summary>
+        /// Gets or sets the indicates this vm size is supported by web worker
+        /// roles or not
+        /// </summary>
+        [JsonProperty(PropertyName = "supportedByWebWorkerRoles")]
+        public string SupportedByWebWorkerRoles { get; set; }
+
+        /// <summary>
+        /// Gets or sets the virtual machine resource disk size whose unit is
+        /// MB of the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "virtualMachineResourceDiskSizeInMb")]
+        public string VirtualMachineResourceDiskSizeInMb { get; set; }
+
+        /// <summary>
+        /// Gets or sets the web worker resource disk size whose unit is MB of
+        /// the vm size.
+        /// </summary>
+        [JsonProperty(PropertyName = "webWorkerResourceDiskSizeInMb")]
+        public string WebWorkerResourceDiskSizeInMb { get; set; }
+
+    }
+}
diff --git a/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/SdkInfo_HDInsightManagementClient.cs b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/SdkInfo_HDInsightManagementClient.cs
index 22f5c9d97d16..0a7e2fcd1f2e 100644
--- a/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/SdkInfo_HDInsightManagementClient.cs
+++ b/sdk/hdinsight/Microsoft.Azure.Management.HDInsight/src/Generated/SdkInfo_HDInsightManagementClient.cs
@@ -31,16 +31,5 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_HDInsightManage
               }.AsEnumerable();
           }
       }
-      // BEGIN: Code Generation Metadata Section
-      public static readonly String AutoRestVersion = "v2";
-      public static readonly String AutoRestBootStrapperVersion = "autorest@2.0.4413";
-      public static readonly String AutoRestCmdExecuted = "cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/hdinsight/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=D:\\source\\azure-sdk-for-net\\sdk";
-      public static readonly String GithubForkName = "Azure";
-      public static readonly String GithubBranchName = "master";
-      public static readonly String GithubCommidId = "85a3955a1e1f4576a501db17e0d7b7998fe9cfdb";
-      public static readonly String CodeGenerationErrors = "";
-      public static readonly String GithubRepoName = "azure-rest-api-specs";
-      // END: Code Generation Metadata Section
   }
 }
-