diff --git a/sdk/network/Microsoft.Azure.Management.Network/src/Generated/Models/TrafficAnalyticsConfigurationProperties.cs b/sdk/network/Microsoft.Azure.Management.Network/src/Generated/Models/TrafficAnalyticsConfigurationProperties.cs
index ae35f0a0e42e9..9590e338eff8d 100644
--- a/sdk/network/Microsoft.Azure.Management.Network/src/Generated/Models/TrafficAnalyticsConfigurationProperties.cs
+++ b/sdk/network/Microsoft.Azure.Management.Network/src/Generated/Models/TrafficAnalyticsConfigurationProperties.cs
@@ -10,7 +10,6 @@
 
 namespace Microsoft.Azure.Management.Network.Models
 {
-    using Microsoft.Rest;
     using Newtonsoft.Json;
     using System.Linq;
 
@@ -43,7 +42,7 @@ public TrafficAnalyticsConfigurationProperties()
         /// <param name="trafficAnalyticsInterval">The interval in minutes
         /// which would decide how frequently TA service should do flow
         /// analytics.</param>
-        public TrafficAnalyticsConfigurationProperties(bool enabled, string workspaceId, string workspaceRegion, string workspaceResourceId, int? trafficAnalyticsInterval = default(int?))
+        public TrafficAnalyticsConfigurationProperties(bool enabled, string workspaceId = default(string), string workspaceRegion = default(string), string workspaceResourceId = default(string), int? trafficAnalyticsInterval = default(int?))
         {
             Enabled = enabled;
             WorkspaceId = workspaceId;
@@ -92,23 +91,12 @@ public TrafficAnalyticsConfigurationProperties()
         /// <summary>
         /// Validate the object.
         /// </summary>
-        /// <exception cref="ValidationException">
+        /// <exception cref="Rest.ValidationException">
         /// Thrown if validation fails
         /// </exception>
         public virtual void Validate()
         {
-            if (WorkspaceId == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "WorkspaceId");
-            }
-            if (WorkspaceRegion == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "WorkspaceRegion");
-            }
-            if (WorkspaceResourceId == null)
-            {
-                throw new ValidationException(ValidationRules.CannotBeNull, "WorkspaceResourceId");
-            }
+            //Nothing to validate
         }
     }
 }