diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/AppsOperations.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/AppsOperations.cs
index acbd90b300e3..a383c6326dad 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/AppsOperations.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/AppsOperations.cs
@@ -65,7 +65,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -181,13 +181,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -197,6 +198,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -325,7 +330,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -429,13 +434,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -445,6 +451,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -501,7 +511,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -611,13 +621,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -627,6 +638,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -684,7 +699,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -803,13 +818,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -819,6 +835,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -876,7 +896,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -995,13 +1015,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1011,6 +1032,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -1064,7 +1089,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -1168,13 +1193,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1184,6 +1210,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -1249,7 +1279,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -1380,13 +1410,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200 && (int)_statusCode != 201 && (int)_statusCode != 202)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1396,6 +1427,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -1476,7 +1511,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -1603,13 +1638,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200 && (int)_statusCode != 202)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1619,6 +1655,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -1678,7 +1718,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="ValidationException">
@@ -1791,13 +1831,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200 && (int)_statusCode != 202 && (int)_statusCode != 204)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1807,6 +1848,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -1845,7 +1890,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -1941,13 +1986,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -1957,6 +2003,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -2013,7 +2063,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -2109,13 +2159,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -2125,6 +2176,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -2181,7 +2236,7 @@ internal AppsOperations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -2277,13 +2332,14 @@ internal AppsOperations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -2293,6 +2349,10 @@ internal AppsOperations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IAppsOperations.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IAppsOperations.cs
index 88bcfe63dae5..534090f46244 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IAppsOperations.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IAppsOperations.cs
@@ -39,7 +39,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -72,7 +72,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -101,7 +101,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -127,7 +127,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.ValidationException">
@@ -143,7 +143,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -166,7 +166,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -189,7 +189,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -212,7 +212,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -231,7 +231,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -264,7 +264,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -293,7 +293,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -319,7 +319,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.ValidationException">
@@ -338,7 +338,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -360,7 +360,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -382,7 +382,7 @@ public partial interface IAppsOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IOperations.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IOperations.cs
index 2c1a6c152b0d..76541811542c 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IOperations.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/IOperations.cs
@@ -33,7 +33,7 @@ public partial interface IOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
@@ -56,7 +56,7 @@ public partial interface IOperations
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="Microsoft.Rest.Azure.CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="Microsoft.Rest.SerializationException">
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/App.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/App.cs
index 7bb89715d466..ae9f2efd9b97 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/App.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/App.cs
@@ -111,20 +111,6 @@ public override void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "Sku");
             }
-            if (DisplayName != null)
-            {
-                if (!System.Text.RegularExpressions.Regex.IsMatch(DisplayName, "^.{1,200}$"))
-                {
-                    throw new ValidationException(ValidationRules.Pattern, "DisplayName", "^.{1,200}$");
-                }
-            }
-            if (Subdomain != null)
-            {
-                if (!System.Text.RegularExpressions.Regex.IsMatch(Subdomain, "^[a-z0-9-]{1,63}$"))
-                {
-                    throw new ValidationException(ValidationRules.Pattern, "Subdomain", "^[a-z0-9-]{1,63}$");
-                }
-            }
             if (Sku != null)
             {
                 Sku.Validate();
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/AppPatch.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/AppPatch.cs
index 2817821d780e..3cbd09426950 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/AppPatch.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/AppPatch.cs
@@ -92,28 +92,5 @@ public AppPatch()
         [JsonProperty(PropertyName = "properties.template")]
         public string Template { get; set; }
 
-        /// <summary>
-        /// Validate the object.
-        /// </summary>
-        /// <exception cref="ValidationException">
-        /// Thrown if validation fails
-        /// </exception>
-        public virtual void Validate()
-        {
-            if (DisplayName != null)
-            {
-                if (!System.Text.RegularExpressions.Regex.IsMatch(DisplayName, "^.{1,200}$"))
-                {
-                    throw new ValidationException(ValidationRules.Pattern, "DisplayName", "^.{1,200}$");
-                }
-            }
-            if (Subdomain != null)
-            {
-                if (!System.Text.RegularExpressions.Regex.IsMatch(Subdomain, "^[a-z0-9-]{1,63}$"))
-                {
-                    throw new ValidationException(ValidationRules.Pattern, "Subdomain", "^[a-z0-9-]{1,63}$");
-                }
-            }
-        }
     }
 }
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorResponseBody.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/CloudErrorBody.cs
similarity index 81%
rename from sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorResponseBody.cs
rename to sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/CloudErrorBody.cs
index 9aa1e14dab0b..6ca9f55e5c60 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorResponseBody.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/CloudErrorBody.cs
@@ -18,25 +18,25 @@ namespace Microsoft.Azure.Management.IotCentral.Models
     /// <summary>
     /// Details of error response.
     /// </summary>
-    public partial class ErrorResponseBody
+    public partial class CloudErrorBody
     {
         /// <summary>
-        /// Initializes a new instance of the ErrorResponseBody class.
+        /// Initializes a new instance of the CloudErrorBody class.
         /// </summary>
-        public ErrorResponseBody()
+        public CloudErrorBody()
         {
             CustomInit();
         }
 
         /// <summary>
-        /// Initializes a new instance of the ErrorResponseBody class.
+        /// Initializes a new instance of the CloudErrorBody class.
         /// </summary>
         /// <param name="code">The error code.</param>
         /// <param name="message">The error message.</param>
         /// <param name="target">The target of the particular error.</param>
         /// <param name="details">A list of additional details about the
         /// error.</param>
-        public ErrorResponseBody(string code = default(string), string message = default(string), string target = default(string), IList<ErrorResponseBody> details = default(IList<ErrorResponseBody>))
+        public CloudErrorBody(string code = default(string), string message = default(string), string target = default(string), IList<CloudErrorBody> details = default(IList<CloudErrorBody>))
         {
             Code = code;
             Message = message;
@@ -72,7 +72,7 @@ public ErrorResponseBody()
         /// Gets or sets a list of additional details about the error.
         /// </summary>
         [JsonProperty(PropertyName = "details")]
-        public IList<ErrorResponseBody> Details { get; set; }
+        public IList<CloudErrorBody> Details { get; set; }
 
     }
 }
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetails.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetails.cs
deleted file mode 100644
index 8c7527fe8098..000000000000
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetails.cs
+++ /dev/null
@@ -1,81 +0,0 @@
-// <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.IotCentral.Models
-{
-    using Microsoft.Rest;
-    using Microsoft.Rest.Serialization;
-    using Newtonsoft.Json;
-    using System.Collections;
-    using System.Collections.Generic;
-    using System.Linq;
-
-    /// <summary>
-    /// Error details.
-    /// </summary>
-    [Rest.Serialization.JsonTransformation]
-    public partial class ErrorDetails
-    {
-        /// <summary>
-        /// Initializes a new instance of the ErrorDetails class.
-        /// </summary>
-        public ErrorDetails()
-        {
-            CustomInit();
-        }
-
-        /// <summary>
-        /// Initializes a new instance of the ErrorDetails class.
-        /// </summary>
-        /// <param name="code">The error code.</param>
-        /// <param name="message">The error message.</param>
-        /// <param name="target">The target of the particular error.</param>
-        /// <param name="details">A list of additional details about the
-        /// error.</param>
-        public ErrorDetails(string code = default(string), string message = default(string), string target = default(string), IList<ErrorResponseBody> details = default(IList<ErrorResponseBody>))
-        {
-            Code = code;
-            Message = message;
-            Target = target;
-            Details = details;
-            CustomInit();
-        }
-
-        /// <summary>
-        /// An initialization method that performs custom operations like setting defaults
-        /// </summary>
-        partial void CustomInit();
-
-        /// <summary>
-        /// Gets the error code.
-        /// </summary>
-        [JsonProperty(PropertyName = "error.code")]
-        public string Code { get; private set; }
-
-        /// <summary>
-        /// Gets the error message.
-        /// </summary>
-        [JsonProperty(PropertyName = "error.message")]
-        public string Message { get; private set; }
-
-        /// <summary>
-        /// Gets the target of the particular error.
-        /// </summary>
-        [JsonProperty(PropertyName = "error.target")]
-        public string Target { get; private set; }
-
-        /// <summary>
-        /// Gets or sets a list of additional details about the error.
-        /// </summary>
-        [JsonProperty(PropertyName = "error.details")]
-        public IList<ErrorResponseBody> Details { get; set; }
-
-    }
-}
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetailsException.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetailsException.cs
deleted file mode 100644
index acc80ee264f6..000000000000
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/ErrorDetailsException.cs
+++ /dev/null
@@ -1,61 +0,0 @@
-// <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.IotCentral.Models
-{
-    using Microsoft.Rest;
-
-    /// <summary>
-    /// Exception thrown for an invalid response with ErrorDetails information.
-    /// </summary>
-    public partial class ErrorDetailsException : RestException
-    {
-        /// <summary>
-        /// Gets information about the associated HTTP request.
-        /// </summary>
-        public HttpRequestMessageWrapper Request { get; set; }
-
-        /// <summary>
-        /// Gets information about the associated HTTP response.
-        /// </summary>
-        public HttpResponseMessageWrapper Response { get; set; }
-
-        /// <summary>
-        /// Gets or sets the body object.
-        /// </summary>
-        public ErrorDetails Body { get; set; }
-
-        /// <summary>
-        /// Initializes a new instance of the ErrorDetailsException class.
-        /// </summary>
-        public ErrorDetailsException()
-        {
-        }
-
-        /// <summary>
-        /// Initializes a new instance of the ErrorDetailsException class.
-        /// </summary>
-        /// <param name="message">The exception message.</param>
-        public ErrorDetailsException(string message)
-            : this(message, null)
-        {
-        }
-
-        /// <summary>
-        /// Initializes a new instance of the ErrorDetailsException class.
-        /// </summary>
-        /// <param name="message">The exception message.</param>
-        /// <param name="innerException">Inner exception.</param>
-        public ErrorDetailsException(string message, System.Exception innerException)
-            : base(message, innerException)
-        {
-        }
-    }
-}
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/OperationInputs.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/OperationInputs.cs
index f2114661cd08..a26c6c2700bc 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/OperationInputs.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Models/OperationInputs.cs
@@ -71,13 +71,6 @@ public virtual void Validate()
             {
                 throw new ValidationException(ValidationRules.CannotBeNull, "Name");
             }
-            if (Name != null)
-            {
-                if (!System.Text.RegularExpressions.Regex.IsMatch(Name, "^[a-z0-9-]{1,63}$"))
-                {
-                    throw new ValidationException(ValidationRules.Pattern, "Name", "^[a-z0-9-]{1,63}$");
-                }
-            }
         }
     }
 }
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Operations.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Operations.cs
index ea0a0e51cc93..9f9db537c879 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Operations.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/Operations.cs
@@ -59,7 +59,7 @@ internal Operations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -158,13 +158,14 @@ internal Operations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -174,6 +175,10 @@ internal Operations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
@@ -230,7 +235,7 @@ internal Operations(IotCentralClient client)
         /// <param name='cancellationToken'>
         /// The cancellation token.
         /// </param>
-        /// <exception cref="ErrorDetailsException">
+        /// <exception cref="CloudException">
         /// Thrown when the operation returned an invalid status code
         /// </exception>
         /// <exception cref="SerializationException">
@@ -326,13 +331,14 @@ internal Operations(IotCentralClient client)
             string _responseContent = null;
             if ((int)_statusCode != 200)
             {
-                var ex = new ErrorDetailsException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
+                var ex = new CloudException(string.Format("Operation returned an invalid status code '{0}'", _statusCode));
                 try
                 {
                     _responseContent = await _httpResponse.Content.ReadAsStringAsync().ConfigureAwait(false);
-                    ErrorDetails _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<ErrorDetails>(_responseContent, Client.DeserializationSettings);
+                    CloudError _errorBody =  Rest.Serialization.SafeJsonConvert.DeserializeObject<CloudError>(_responseContent, Client.DeserializationSettings);
                     if (_errorBody != null)
                     {
+                        ex = new CloudException(_errorBody.Message);
                         ex.Body = _errorBody;
                     }
                 }
@@ -342,6 +348,10 @@ internal Operations(IotCentralClient client)
                 }
                 ex.Request = new HttpRequestMessageWrapper(_httpRequest, _requestContent);
                 ex.Response = new HttpResponseMessageWrapper(_httpResponse, _responseContent);
+                if (_httpResponse.Headers.Contains("x-ms-request-id"))
+                {
+                    ex.RequestId = _httpResponse.Headers.GetValues("x-ms-request-id").FirstOrDefault();
+                }
                 if (_shouldTrace)
                 {
                     ServiceClientTracing.Error(_invocationId, ex);
diff --git a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/SdkInfo_IotCentralClient.cs b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/SdkInfo_IotCentralClient.cs
index 08b3cbe78158..93a05f67db95 100644
--- a/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/SdkInfo_IotCentralClient.cs
+++ b/sdk/iotcentral/Microsoft.Azure.Management.IotCentral/src/Generated/SdkInfo_IotCentralClient.cs
@@ -24,16 +24,5 @@ public static IEnumerable<Tuple<string, string, string>> ApiInfo_IotCentralClien
               }.AsEnumerable();
           }
       }
-      // BEGIN: Code Generation Metadata Section
-      public static readonly String AutoRestVersion = "latest";
-      public static readonly String AutoRestBootStrapperVersion = "autorest@2.0.4407";
-      public static readonly String AutoRestCmdExecuted = "cmd.exe /c autorest.cmd https://github.com/Azure/azure-rest-api-specs/blob/master/specification/iotcentral/resource-manager/readme.md --csharp --version=latest --reflect-api-versions --csharp.output-folder=C:\\Users\\pochen\\Github\\azure-sdk-for-net\\sdk\\iotcentral\\Microsoft.Azure.Management.IotCentral\\src\\Generated";
-      public static readonly String GithubForkName = "Azure";
-      public static readonly String GithubBranchName = "master";
-      public static readonly String GithubCommidId = "4676d9187988aa6793ff704aa39c5f495b40f6e0";
-      public static readonly String CodeGenerationErrors = "";
-      public static readonly String GithubRepoName = "azure-rest-api-specs";
-      // END: Code Generation Metadata Section
   }
 }
-