diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/DataConnectorKind.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/DataConnectorKind.cs
index 6db67ec03c55..1e8d93a19e5c 100644
--- a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/DataConnectorKind.cs
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/DataConnectorKind.cs
@@ -24,5 +24,6 @@ public static class DataConnectorKind
         public const string AmazonWebServicesCloudTrail = "AmazonWebServicesCloudTrail";
         public const string AzureAdvancedThreatProtection = "AzureAdvancedThreatProtection";
         public const string MicrosoftDefenderAdvancedThreatProtection = "MicrosoftDefenderAdvancedThreatProtection";
+        public const string Dynamics365 = "Dynamics365";
     }
 }
diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnector.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnector.cs
new file mode 100644
index 000000000000..f9e01325fa70
--- /dev/null
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnector.cs
@@ -0,0 +1,87 @@
+// <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.SecurityInsights.Models
+{
+    using Microsoft.Rest;
+    using Microsoft.Rest.Serialization;
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// Represents Dynamics365 data connector.
+    /// </summary>
+    [Newtonsoft.Json.JsonObject("Dynamics365")]
+    [Rest.Serialization.JsonTransformation]
+    public partial class Dynamics365DataConnector : DataConnector
+    {
+        /// <summary>
+        /// Initializes a new instance of the Dynamics365DataConnector class.
+        /// </summary>
+        public Dynamics365DataConnector()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Dynamics365DataConnector class.
+        /// </summary>
+        /// <param name="dataTypes">The available data types for the
+        /// connector.</param>
+        /// <param name="id">Azure resource Id</param>
+        /// <param name="name">Azure resource name</param>
+        /// <param name="type">Azure resource type</param>
+        /// <param name="etag">Etag of the azure resource</param>
+        /// <param name="tenantId">The tenant id to connect to, and get the
+        /// data from.</param>
+        public Dynamics365DataConnector(Dynamics365DataConnectorDataTypes dataTypes, string id = default(string), string name = default(string), string type = default(string), string etag = default(string), string tenantId = default(string))
+            : base(id, name, type, etag)
+        {
+            TenantId = tenantId;
+            DataTypes = dataTypes;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets the tenant id to connect to, and get the data from.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.tenantId")]
+        public string TenantId { get; set; }
+
+        /// <summary>
+        /// Gets or sets the available data types for the connector.
+        /// </summary>
+        [JsonProperty(PropertyName = "properties.dataTypes")]
+        public Dynamics365DataConnectorDataTypes DataTypes { get; set; }
+
+        /// <summary>
+        /// Validate the object.
+        /// </summary>
+        /// <exception cref="ValidationException">
+        /// Thrown if validation fails
+        /// </exception>
+        public virtual void Validate()
+        {
+            if (DataTypes == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "DataTypes");
+            }
+            if (DataTypes != null)
+            {
+                DataTypes.Validate();
+            }
+        }
+    }
+}
diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypes.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypes.cs
new file mode 100644
index 000000000000..cd51fb082237
--- /dev/null
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypes.cs
@@ -0,0 +1,68 @@
+// <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.SecurityInsights.Models
+{
+    using Microsoft.Rest;
+    using Newtonsoft.Json;
+    using System.Linq;
+
+    /// <summary>
+    /// The available data types for Dynamics365 data connector.
+    /// </summary>
+    public partial class Dynamics365DataConnectorDataTypes
+    {
+        /// <summary>
+        /// Initializes a new instance of the Dynamics365DataConnectorDataTypes
+        /// class.
+        /// </summary>
+        public Dynamics365DataConnectorDataTypes()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the Dynamics365DataConnectorDataTypes
+        /// class.
+        /// </summary>
+        /// <param name="dynamics365CdsActivities">Common Data Service data
+        /// type connection.</param>
+        public Dynamics365DataConnectorDataTypes(Dynamics365DataConnectorDataTypesDynamics365CdsActivities dynamics365CdsActivities)
+        {
+            Dynamics365CdsActivities = dynamics365CdsActivities;
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+        /// <summary>
+        /// Gets or sets common Data Service data type connection.
+        /// </summary>
+        [JsonProperty(PropertyName = "dynamics365CdsActivities")]
+        public Dynamics365DataConnectorDataTypesDynamics365CdsActivities Dynamics365CdsActivities { get; set; }
+
+        /// <summary>
+        /// Validate the object.
+        /// </summary>
+        /// <exception cref="ValidationException">
+        /// Thrown if validation fails
+        /// </exception>
+        public virtual void Validate()
+        {
+            if (Dynamics365CdsActivities == null)
+            {
+                throw new ValidationException(ValidationRules.CannotBeNull, "Dynamics365CdsActivities");
+            }
+        }
+    }
+}
diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypesDynamics365CdsActivities.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypesDynamics365CdsActivities.cs
new file mode 100644
index 000000000000..6a890d86ae72
--- /dev/null
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Dynamics365DataConnectorDataTypesDynamics365CdsActivities.cs
@@ -0,0 +1,48 @@
+// <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.SecurityInsights.Models
+{
+    using System.Linq;
+
+    /// <summary>
+    /// Common Data Service data type connection.
+    /// </summary>
+    public partial class Dynamics365DataConnectorDataTypesDynamics365CdsActivities : DataConnectorDataTypeCommon
+    {
+        /// <summary>
+        /// Initializes a new instance of the
+        /// Dynamics365DataConnectorDataTypesDynamics365CdsActivities class.
+        /// </summary>
+        public Dynamics365DataConnectorDataTypesDynamics365CdsActivities()
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// Initializes a new instance of the
+        /// Dynamics365DataConnectorDataTypesDynamics365CdsActivities class.
+        /// </summary>
+        /// <param name="state">Describe whether this data type connection is
+        /// enabled or not. Possible values include: 'Enabled',
+        /// 'Disabled'</param>
+        public Dynamics365DataConnectorDataTypesDynamics365CdsActivities(string state = default(string))
+            : base(state)
+        {
+            CustomInit();
+        }
+
+        /// <summary>
+        /// An initialization method that performs custom operations like setting defaults
+        /// </summary>
+        partial void CustomInit();
+
+    }
+}
diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Operation.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Operation.cs
index c5d3af3929eb..31a710209196 100644
--- a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Operation.cs
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/Models/Operation.cs
@@ -31,10 +31,12 @@ public Operation()
         /// </summary>
         /// <param name="display">Properties of the operation</param>
         /// <param name="name">Name of the operation</param>
-        public Operation(OperationDisplay display = default(OperationDisplay), string name = default(string))
+        /// <param name="origin">The origin of the operation</param>
+        public Operation(OperationDisplay display = default(OperationDisplay), string name = default(string), string origin = default(string))
         {
             Display = display;
             Name = name;
+            Origin = origin;
             CustomInit();
         }
 
@@ -55,5 +57,11 @@ public Operation()
         [JsonProperty(PropertyName = "name")]
         public string Name { get; set; }
 
+        /// <summary>
+        /// Gets or sets the origin of the operation
+        /// </summary>
+        [JsonProperty(PropertyName = "origin")]
+        public string Origin { get; set; }
+
     }
 }
diff --git a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/SdkInfo_SecurityInsights.cs b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/SdkInfo_SecurityInsights.cs
index 6a833696e11f..64ffa0f18fb7 100644
--- a/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/SdkInfo_SecurityInsights.cs
+++ b/sdk/securityinsights/Microsoft.Azure.Management.SecurityInsights/src/Generated/SdkInfo_SecurityInsights.cs
@@ -30,16 +30,5 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_SecurityInsight
               }.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/securityinsights/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --csharp-sdks-folder=E:\\azure-sdk-for-net\\sdk";
-      public static readonly String GithubForkName = "Azure";
-      public static readonly String GithubBranchName = "master";
-      public static readonly String GithubCommidId = "fb680afc380cccb44a59ed277232ad4224ac809b";
-      public static readonly String CodeGenerationErrors = "";
-      public static readonly String GithubRepoName = "azure-rest-api-specs";
-      // END: Code Generation Metadata Section
   }
 }
-