diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureBlobFSLinkedService.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureBlobFSLinkedService.cs
index ec81f0322ca5..ef79d222a831 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureBlobFSLinkedService.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureBlobFSLinkedService.cs
@@ -68,7 +68,19 @@ public AzureBlobFSLinkedService()
         /// resultType string).</param>
         /// <param name="credential">The credential reference containing
         /// authentication information.</param>
-        public AzureBlobFSLinkedService(object url, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object accountKey = default(object), object servicePrincipalId = default(object), SecretBase servicePrincipalKey = default(SecretBase), object tenant = default(object), object azureCloudType = default(object), object encryptedCredential = default(object), CredentialReference credential = default(CredentialReference))
+        /// <param name="servicePrincipalCredentialType">The service principal
+        /// credential type to use in Server-To-Server authentication.
+        /// 'ServicePrincipalKey' for key/secret, 'ServicePrincipalCert' for
+        /// certificate. Type: string (or Expression with resultType
+        /// string).</param>
+        /// <param name="servicePrincipalCredential">The credential of the
+        /// service principal object in Azure Active Directory. If
+        /// servicePrincipalCredentialType is 'ServicePrincipalKey',
+        /// servicePrincipalCredential can be SecureString or
+        /// AzureKeyVaultSecretReference. If servicePrincipalCredentialType is
+        /// 'ServicePrincipalCert', servicePrincipalCredential can only be
+        /// AzureKeyVaultSecretReference.</param>
+        public AzureBlobFSLinkedService(object url, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object accountKey = default(object), object servicePrincipalId = default(object), SecretBase servicePrincipalKey = default(SecretBase), object tenant = default(object), object azureCloudType = default(object), object encryptedCredential = default(object), CredentialReference credential = default(CredentialReference), object servicePrincipalCredentialType = default(object), SecretBase servicePrincipalCredential = default(SecretBase))
             : base(additionalProperties, connectVia, description, parameters, annotations)
         {
             Url = url;
@@ -79,6 +91,8 @@ public AzureBlobFSLinkedService()
             AzureCloudType = azureCloudType;
             EncryptedCredential = encryptedCredential;
             Credential = credential;
+            ServicePrincipalCredentialType = servicePrincipalCredentialType;
+            ServicePrincipalCredential = servicePrincipalCredential;
             CustomInit();
         }
 
@@ -149,6 +163,27 @@ public AzureBlobFSLinkedService()
         [JsonProperty(PropertyName = "typeProperties.credential")]
         public CredentialReference Credential { get; set; }
 
+        /// <summary>
+        /// Gets or sets the service principal credential type to use in
+        /// Server-To-Server authentication. 'ServicePrincipalKey' for
+        /// key/secret, 'ServicePrincipalCert' for certificate. Type: string
+        /// (or Expression with resultType string).
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.servicePrincipalCredentialType")]
+        public object ServicePrincipalCredentialType { get; set; }
+
+        /// <summary>
+        /// Gets or sets the credential of the service principal object in
+        /// Azure Active Directory. If servicePrincipalCredentialType is
+        /// 'ServicePrincipalKey', servicePrincipalCredential can be
+        /// SecureString or AzureKeyVaultSecretReference. If
+        /// servicePrincipalCredentialType is 'ServicePrincipalCert',
+        /// servicePrincipalCredential can only be
+        /// AzureKeyVaultSecretReference.
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.servicePrincipalCredential")]
+        public SecretBase ServicePrincipalCredential { get; set; }
+
         /// <summary>
         /// Validate the object.
         /// </summary>
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureDatabricksDeltaLakeLinkedService.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureDatabricksDeltaLakeLinkedService.cs
index ec88ac66a5ac..a88260a18eb3 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureDatabricksDeltaLakeLinkedService.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/AzureDatabricksDeltaLakeLinkedService.cs
@@ -58,13 +58,20 @@ public AzureDatabricksDeltaLakeLinkedService()
         /// authentication. Credentials are encrypted using the integration
         /// runtime credential manager. Type: string (or Expression with
         /// resultType string).</param>
-        public AzureDatabricksDeltaLakeLinkedService(object domain, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), SecretBase accessToken = default(SecretBase), object clusterId = default(object), object encryptedCredential = default(object))
+        /// <param name="credential">The credential reference containing
+        /// authentication information.</param>
+        /// <param name="workspaceResourceId">Workspace resource id for
+        /// databricks REST API. Type: string (or Expression with resultType
+        /// string).</param>
+        public AzureDatabricksDeltaLakeLinkedService(object domain, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), SecretBase accessToken = default(SecretBase), object clusterId = default(object), object encryptedCredential = default(object), CredentialReference credential = default(CredentialReference), object workspaceResourceId = default(object))
             : base(additionalProperties, connectVia, description, parameters, annotations)
         {
             Domain = domain;
             AccessToken = accessToken;
             ClusterId = clusterId;
             EncryptedCredential = encryptedCredential;
+            Credential = credential;
+            WorkspaceResourceId = workspaceResourceId;
             CustomInit();
         }
 
@@ -105,6 +112,20 @@ public AzureDatabricksDeltaLakeLinkedService()
         [JsonProperty(PropertyName = "typeProperties.encryptedCredential")]
         public object EncryptedCredential { get; set; }
 
+        /// <summary>
+        /// Gets or sets the credential reference containing authentication
+        /// information.
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.credential")]
+        public CredentialReference Credential { get; set; }
+
+        /// <summary>
+        /// Gets or sets workspace resource id for databricks REST API. Type:
+        /// string (or Expression with resultType string).
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.workspaceResourceId")]
+        public object WorkspaceResourceId { get; set; }
+
         /// <summary>
         /// Validate the object.
         /// </summary>
@@ -118,6 +139,10 @@ public override void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "Domain");
             }
+            if (Credential != null)
+            {
+                Credential.Validate();
+            }
         }
     }
 }
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/CosmosDbLinkedService.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/CosmosDbLinkedService.cs
index 0ae5ab29f54c..8536e1707798 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/CosmosDbLinkedService.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/CosmosDbLinkedService.cs
@@ -83,7 +83,9 @@ public CosmosDbLinkedService()
         /// authentication. Credentials are encrypted using the integration
         /// runtime credential manager. Type: string (or Expression with
         /// resultType string).</param>
-        public CosmosDbLinkedService(IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object connectionString = default(object), object accountEndpoint = default(object), object database = default(object), SecretBase accountKey = default(SecretBase), object servicePrincipalId = default(object), string servicePrincipalCredentialType = default(string), SecretBase servicePrincipalCredential = default(SecretBase), object tenant = default(object), object azureCloudType = default(object), string connectionMode = default(string), object encryptedCredential = default(object))
+        /// <param name="credential">The credential reference containing
+        /// authentication information.</param>
+        public CosmosDbLinkedService(IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object connectionString = default(object), object accountEndpoint = default(object), object database = default(object), SecretBase accountKey = default(SecretBase), object servicePrincipalId = default(object), string servicePrincipalCredentialType = default(string), SecretBase servicePrincipalCredential = default(SecretBase), object tenant = default(object), object azureCloudType = default(object), string connectionMode = default(string), object encryptedCredential = default(object), CredentialReference credential = default(CredentialReference))
             : base(additionalProperties, connectVia, description, parameters, annotations)
         {
             ConnectionString = connectionString;
@@ -97,6 +99,7 @@ public CosmosDbLinkedService()
             AzureCloudType = azureCloudType;
             ConnectionMode = connectionMode;
             EncryptedCredential = encryptedCredential;
+            Credential = credential;
             CustomInit();
         }
 
@@ -197,6 +200,13 @@ public CosmosDbLinkedService()
         [JsonProperty(PropertyName = "typeProperties.encryptedCredential")]
         public object EncryptedCredential { get; set; }
 
+        /// <summary>
+        /// Gets or sets the credential reference containing authentication
+        /// information.
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.credential")]
+        public CredentialReference Credential { get; set; }
+
         /// <summary>
         /// Validate the object.
         /// </summary>
@@ -206,6 +216,10 @@ public CosmosDbLinkedService()
         public override void Validate()
         {
             base.Validate();
+            if (Credential != null)
+            {
+                Credential.Validate();
+            }
         }
     }
 }
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/DynamicsLinkedService.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/DynamicsLinkedService.cs
index 8bc7dbd7d0eb..d2db924bf121 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/DynamicsLinkedService.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/DynamicsLinkedService.cs
@@ -90,7 +90,9 @@ public DynamicsLinkedService()
         /// authentication. Credentials are encrypted using the integration
         /// runtime credential manager. Type: string (or Expression with
         /// resultType string).</param>
-        public DynamicsLinkedService(object deploymentType, object authenticationType, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object hostName = default(object), object port = default(object), object serviceUri = default(object), object organizationName = default(object), object username = default(object), SecretBase password = default(SecretBase), object servicePrincipalId = default(object), object servicePrincipalCredentialType = default(object), SecretBase servicePrincipalCredential = default(SecretBase), object encryptedCredential = default(object))
+        /// <param name="credential">The credential reference containing
+        /// authentication information.</param>
+        public DynamicsLinkedService(object deploymentType, object authenticationType, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object hostName = default(object), object port = default(object), object serviceUri = default(object), object organizationName = default(object), object username = default(object), SecretBase password = default(SecretBase), object servicePrincipalId = default(object), object servicePrincipalCredentialType = default(object), SecretBase servicePrincipalCredential = default(SecretBase), object encryptedCredential = default(object), CredentialReference credential = default(CredentialReference))
             : base(additionalProperties, connectVia, description, parameters, annotations)
         {
             DeploymentType = deploymentType;
@@ -105,6 +107,7 @@ public DynamicsLinkedService()
             ServicePrincipalCredentialType = servicePrincipalCredentialType;
             ServicePrincipalCredential = servicePrincipalCredential;
             EncryptedCredential = encryptedCredential;
+            Credential = credential;
             CustomInit();
         }
 
@@ -215,6 +218,13 @@ public DynamicsLinkedService()
         [JsonProperty(PropertyName = "typeProperties.encryptedCredential")]
         public object EncryptedCredential { get; set; }
 
+        /// <summary>
+        /// Gets or sets the credential reference containing authentication
+        /// information.
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.credential")]
+        public CredentialReference Credential { get; set; }
+
         /// <summary>
         /// Validate the object.
         /// </summary>
@@ -232,6 +242,10 @@ public override void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "AuthenticationType");
             }
+            if (Credential != null)
+            {
+                Credential.Validate();
+            }
         }
     }
 }
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/GoogleAdWordsLinkedService.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/GoogleAdWordsLinkedService.cs
index 05eb27a16103..2a3bdf659ae7 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/GoogleAdWordsLinkedService.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/GoogleAdWordsLinkedService.cs
@@ -35,6 +35,16 @@ public GoogleAdWordsLinkedService()
         /// <summary>
         /// Initializes a new instance of the GoogleAdWordsLinkedService class.
         /// </summary>
+        /// <param name="additionalProperties">Unmatched properties from the
+        /// message are deserialized this collection</param>
+        /// <param name="connectVia">The integration runtime reference.</param>
+        /// <param name="description">Linked service description.</param>
+        /// <param name="parameters">Parameters for linked service.</param>
+        /// <param name="annotations">List of tags that can be used for
+        /// describing the linked service.</param>
+        /// <param name="connectionProperties">Properties used to connect to
+        /// GoogleAds. It is mutually exclusive with any other properties in
+        /// the linked service. Type: object.</param>
         /// <param name="clientCustomerID">The Client customer ID of the
         /// AdWords account that you want to fetch report data for.</param>
         /// <param name="developerToken">The developer token associated with
@@ -44,13 +54,6 @@ public GoogleAdWordsLinkedService()
         /// mechanism used for authentication. ServiceAuthentication can only
         /// be used on self-hosted IR. Possible values include:
         /// 'ServiceAuthentication', 'UserAuthentication'</param>
-        /// <param name="additionalProperties">Unmatched properties from the
-        /// message are deserialized this collection</param>
-        /// <param name="connectVia">The integration runtime reference.</param>
-        /// <param name="description">Linked service description.</param>
-        /// <param name="parameters">Parameters for linked service.</param>
-        /// <param name="annotations">List of tags that can be used for
-        /// describing the linked service.</param>
         /// <param name="refreshToken">The refresh token obtained from Google
         /// for authorizing access to AdWords for UserAuthentication.</param>
         /// <param name="clientId">The client id of the google application used
@@ -76,9 +79,10 @@ public GoogleAdWordsLinkedService()
         /// authentication. Credentials are encrypted using the integration
         /// runtime credential manager. Type: string (or Expression with
         /// resultType string).</param>
-        public GoogleAdWordsLinkedService(object clientCustomerID, SecretBase developerToken, string authenticationType, IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), SecretBase refreshToken = default(SecretBase), object clientId = default(object), SecretBase clientSecret = default(SecretBase), object email = default(object), object keyFilePath = default(object), object trustedCertPath = default(object), object useSystemTrustStore = default(object), object encryptedCredential = default(object))
+        public GoogleAdWordsLinkedService(IDictionary<string, object> additionalProperties = default(IDictionary<string, object>), IntegrationRuntimeReference connectVia = default(IntegrationRuntimeReference), string description = default(string), IDictionary<string, ParameterSpecification> parameters = default(IDictionary<string, ParameterSpecification>), IList<object> annotations = default(IList<object>), object connectionProperties = default(object), object clientCustomerID = default(object), SecretBase developerToken = default(SecretBase), string authenticationType = default(string), SecretBase refreshToken = default(SecretBase), object clientId = default(object), SecretBase clientSecret = default(SecretBase), object email = default(object), object keyFilePath = default(object), object trustedCertPath = default(object), object useSystemTrustStore = default(object), object encryptedCredential = default(object))
             : base(additionalProperties, connectVia, description, parameters, annotations)
         {
+            ConnectionProperties = connectionProperties;
             ClientCustomerID = clientCustomerID;
             DeveloperToken = developerToken;
             AuthenticationType = authenticationType;
@@ -98,6 +102,14 @@ public GoogleAdWordsLinkedService()
         /// </summary>
         partial void CustomInit();
 
+        /// <summary>
+        /// Gets or sets properties used to connect to GoogleAds. It is
+        /// mutually exclusive with any other properties in the linked service.
+        /// Type: object.
+        /// </summary>
+        [JsonProperty(PropertyName = "typeProperties.connectionProperties")]
+        public object ConnectionProperties { get; set; }
+
         /// <summary>
         /// Gets or sets the Client customer ID of the AdWords account that you
         /// want to fetch report data for.
@@ -192,18 +204,6 @@ public GoogleAdWordsLinkedService()
         public override void Validate()
         {
             base.Validate();
-            if (ClientCustomerID == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "ClientCustomerID");
-            }
-            if (DeveloperToken == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "DeveloperToken");
-            }
-            if (AuthenticationType == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "AuthenticationType");
-            }
         }
     }
 }
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/LinkedIntegrationRuntimeRbacAuthorization.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/LinkedIntegrationRuntimeRbacAuthorization.cs
index 6dc560c8f96f..2296f23be6dc 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/LinkedIntegrationRuntimeRbacAuthorization.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/LinkedIntegrationRuntimeRbacAuthorization.cs
@@ -36,9 +36,12 @@ public LinkedIntegrationRuntimeRbacAuthorization()
         /// </summary>
         /// <param name="resourceId">The resource identifier of the integration
         /// runtime to be shared.</param>
-        public LinkedIntegrationRuntimeRbacAuthorization(string resourceId)
+        /// <param name="credential">The credential reference containing
+        /// authentication information.</param>
+        public LinkedIntegrationRuntimeRbacAuthorization(string resourceId, CredentialReference credential = default(CredentialReference))
         {
             ResourceId = resourceId;
+            Credential = credential;
             CustomInit();
         }
 
@@ -54,6 +57,13 @@ public LinkedIntegrationRuntimeRbacAuthorization(string resourceId)
         [JsonProperty(PropertyName = "resourceId")]
         public string ResourceId { get; set; }
 
+        /// <summary>
+        /// Gets or sets the credential reference containing authentication
+        /// information.
+        /// </summary>
+        [JsonProperty(PropertyName = "credential")]
+        public CredentialReference Credential { get; set; }
+
         /// <summary>
         /// Validate the object.
         /// </summary>
@@ -66,6 +76,10 @@ public virtual void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "ResourceId");
             }
+            if (Credential != null)
+            {
+                Credential.Validate();
+            }
         }
     }
 }
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/SsisPackageLocation.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/SSISPackageLocation.cs
similarity index 100%
rename from sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/SsisPackageLocation.cs
rename to sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/Models/SSISPackageLocation.cs
diff --git a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/SdkInfo_DataFactoryManagementClient.cs b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/SdkInfo_DataFactoryManagementClient.cs
index fcaa64287cb3..ac665f5acd05 100644
--- a/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/SdkInfo_DataFactoryManagementClient.cs
+++ b/sdk/datafactory/Microsoft.Azure.Management.DataFactory/src/Generated/SdkInfo_DataFactoryManagementClient.cs
@@ -43,16 +43,5 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_DataFactoryMana
               }.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/datafactory/resource-manager/readme.md --csharp --version=v2 --reflect-api-versions --tag=package-2018-06 --csharp-sdks-folder=D:\\Projects\\azure-sdk-for-net-1\\sdk";
-      public static readonly String GithubForkName = "Azure";
-      public static readonly String GithubBranchName = "master";
-      public static readonly String GithubCommidId = "2a8a9a79b23c72c6092d5b1212acf6d69b1b3850";
-      public static readonly String CodeGenerationErrors = "";
-      public static readonly String GithubRepoName = "azure-rest-api-specs";
-      // END: Code Generation Metadata Section
   }
 }
-