diff --git a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationCreateAndStartMigration.json b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationCreateAndStartMigration.json
index 18144422565d..989694a20475 100644
--- a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationCreateAndStartMigration.json
+++ b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationCreateAndStartMigration.json
@@ -21,7 +21,8 @@
         "properties": {
           "provisioningState": "Accepted",
           "targetNamespace": "/subscriptions/SubscriptionId/resourceGroups/ResourceGroup/providers/Microsoft.ServiceBus/namespaces/sdk-Namespace-4028",
-          "postMigrationName": "sdk-PostMigration-5919"
+          "postMigrationName": "sdk-PostMigration-5919",
+          "migrationState": "Initiating"
         }
       }
     },
diff --git a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationDelete.json b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationDelete.json
index a393c7d0bf68..54a403aa1e17 100644
--- a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationDelete.json
+++ b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationDelete.json
@@ -7,7 +7,7 @@
     "subscriptionId": "SubscriptionId"
   },
   "responses": {
-    "200": {},
-    "204": {}
+    "200": { },
+    "204": { }
   }
 }
\ No newline at end of file
diff --git a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationGet.json b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationGet.json
index 14a7987e14e0..c8b308c1b667 100644
--- a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationGet.json
+++ b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationGet.json
@@ -16,7 +16,8 @@
           "provisioningState": "Succeeded",
           "targetNamespace": "/subscriptions/SubscriptionId/resourceGroups/ResourceGroup/providers/Microsoft.ServiceBus/namespaces/sdk-Namespace-4028",
           "postMigrationName": "sdk-PostMigration-5919",
-          "pendingReplicationOperationsCount": 0
+          "pendingReplicationOperationsCount": 0,
+          "migrationState": "Active"
         }
       }
     }
diff --git a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationList.json b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationList.json
index 272e5577b5ce..2e970d15565e 100644
--- a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationList.json
+++ b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/examples/Migrationconfigurations/SBMigrationconfigurationList.json
@@ -17,7 +17,8 @@
             "properties": {
               "provisioningState": "Succeeded",
               "targetNamespace": "/subscriptions/SubscriptionId/resourceGroups/ResourceGroup/providers/Microsoft.ServiceBus/namespaces/sdk-Namespace-7454",
-              "postMigrationName": "sdk-PostMigration-9423"
+              "postMigrationName": "sdk-PostMigration-9423",
+              "migrationState": "Active"
             }
           }
         ]
diff --git a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/servicebus.json b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/servicebus.json
index 61f7333ffe5d..93b089523d7b 100644
--- a/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/servicebus.json
+++ b/specification/servicebus/resource-manager/Microsoft.ServiceBus/stable/2017-04-01/servicebus.json
@@ -4301,6 +4301,11 @@
             "postMigrationName": {
               "type": "string",
               "description": "Name to access Standard Namespace after migration"
+            },
+            "migrationState": {
+              "readOnly": true,
+              "type": "string",
+              "description": "State in which Standard to Premium Migration is, possible values : Unknown, Reverting, Completing, Initiating, Syncing, Active"
             }
           },
           "required": [