diff --git a/specification/storagepool/resource-manager/Microsoft.StoragePool/preview/2020-03-15-preview/storagepool.json b/specification/storagepool/resource-manager/Microsoft.StoragePool/preview/2020-03-15-preview/storagepool.json
index 4bfa174f6fc9..74e12dadf657 100644
--- a/specification/storagepool/resource-manager/Microsoft.StoragePool/preview/2020-03-15-preview/storagepool.json
+++ b/specification/storagepool/resource-manager/Microsoft.StoragePool/preview/2020-03-15-preview/storagepool.json
@@ -209,6 +209,9 @@
           }
         },
         "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
         "x-ms-examples": {
           "Create or Update Disk pool": {
             "$ref": "./examples/DiskPools_Put.json"
@@ -263,7 +266,10 @@
             "$ref": "./examples/DiskPools_Patch.json"
           }
         },
-        "x-ms-long-running-operation": true
+        "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
       },
       "delete": {
         "tags": [
@@ -303,6 +309,9 @@
           }
         },
         "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
         "x-ms-examples": {
           "Delete Disk pool": {
             "$ref": "./examples/DiskPools_Delete.json"
@@ -443,6 +452,9 @@
           }
         },
         "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
         "x-ms-examples": {
           "Create or Update iSCSI target": {
             "$ref": "./examples/IscsiTargets_Put.json"
@@ -496,6 +508,9 @@
           }
         },
         "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
         "x-ms-examples": {
           "Update iSCSI target": {
             "$ref": "./examples/IscsiTargets_Patch.json"
@@ -543,6 +558,9 @@
           }
         },
         "x-ms-long-running-operation": true,
+        "x-ms-long-running-operation-options": {
+          "final-state-via": "azure-async-operation"
+        },
         "x-ms-examples": {
           "Delete iSCSI target": {
             "$ref": "./examples/IscsiTargets_Delete.json"
@@ -1607,4 +1625,4 @@
       "description": "The resource management error response."
     }
   }
-}
+}
\ No newline at end of file