diff --git a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/azurearcdata.json b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/azurearcdata.json
index 257dd201375b..b6c7927b9dd2 100644
--- a/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/azurearcdata.json
+++ b/specification/azurearcdata/resource-manager/Microsoft.AzureArcData/preview/2022-03-01-preview/azurearcdata.json
@@ -879,6 +879,10 @@
           "Updates a dataController tags.": {
             "$ref": "./examples/UpdateDataController.json"
           }
+        },
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
         }
       }
     },