diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceEmptyRestart.json b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceEmptyRestart.json
index 1f8efe3668c6..8d37c2a043c5 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceEmptyRestart.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceEmptyRestart.json
@@ -7,6 +7,14 @@
   },
   "responses": {
     "200": {
+      "headers": {
+        "location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/providers/Microsoft.Network/locations/westus/nfvOperations/00000000-0000-0000-0000-000000000000?api-version=2023-11-01"
+      },
+      "body": {
+        "instanceIds": []
+      }
+    },
+    "202": {
       "headers": {
         "location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/providers/Microsoft.Network/locations/westus/nfvOperations/00000000-0000-0000-0000-000000000000?api-version=2023-11-01"
       }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceSpecificRestart.json b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceSpecificRestart.json
index 42ff35aa069c..3d1b733e8cd0 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceSpecificRestart.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/examples/NetworkVirtualApplianceSpecificRestart.json
@@ -11,6 +11,17 @@
   },
   "responses": {
     "200": {
+      "headers": {
+        "location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/providers/Microsoft.Network/locations/westus/nfvOperations/00000000-0000-0000-0000-000000000000?api-version=2023-11-01"
+      },
+      "body": {
+        "instanceIds": [
+          "0",
+          "1"
+        ]
+      }
+    },
+    "202": {
       "headers": {
         "location": "https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/providers/Microsoft.Network/locations/westus/nfvOperations/00000000-0000-0000-0000-000000000000?api-version=2023-11-01"
       }
diff --git a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/networkVirtualAppliance.json b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/networkVirtualAppliance.json
index bc3a561f751e..005f2a426d8a 100644
--- a/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/networkVirtualAppliance.json
+++ b/specification/network/resource-manager/Microsoft.Network/stable/2023-11-01/networkVirtualAppliance.json
@@ -325,7 +325,19 @@
         ],
         "responses": {
           "200": {
-            "description": "Request successful. The operation restarts one or more Network Virtual Appliance VM resources."
+            "description": "Request successful. The operation restarts one or more Network Virtual Appliance VM resources.",
+            "schema": {
+              "$ref": "#/definitions/NetworkVirtualApplianceInstanceIds"
+            }
+          },
+          "202": {
+            "description": "Request accepted. The operation restarts one or more Network Virtual Appliance VM resources.",
+            "headers": {
+              "Location": {
+                "description": "The URL of the resource used to check the status of the asynchronous operation.",
+                "type": "string"
+              }
+            }
           },
           "default": {
             "description": "Error response describing why the operation failed.",
@@ -341,6 +353,10 @@
           "Restart Specific NetworkVirtualAppliance VMs in VM Scale Set": {
             "$ref": "./examples/NetworkVirtualApplianceSpecificRestart.json"
           }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "location"
         }
       }
     },