diff --git a/sdk/storage/arm-storage/src/models/index.ts b/sdk/storage/arm-storage/src/models/index.ts
index 2dc3628ecbfc..3607e9525462 100644
--- a/sdk/storage/arm-storage/src/models/index.ts
+++ b/sdk/storage/arm-storage/src/models/index.ts
@@ -720,11 +720,11 @@ export interface GeoReplicationStats {
  */
 export interface BlobRestoreRange {
   /**
-   * Blob start range. Empty means account start.
+   * Blob start range. This is inclusive. Empty means account start.
    */
   startRange: string;
   /**
-   * Blob end range. Empty means account end.
+   * Blob end range. This is exclusive. Empty means account end.
    */
   endRange: string;
 }
@@ -1924,6 +1924,11 @@ export interface RestorePolicyProperties {
    * DeleteRetentionPolicy.days.
    */
   days?: number;
+  /**
+   * Returns the date and time the restore policy was last enabled.
+   * **NOTE: This property will not be serialized. It can only be populated by the server.**
+   */
+  readonly lastEnabledTime?: Date;
 }
 
 /**
diff --git a/sdk/storage/arm-storage/src/models/mappers.ts b/sdk/storage/arm-storage/src/models/mappers.ts
index 7923f47baad4..380160005efb 100644
--- a/sdk/storage/arm-storage/src/models/mappers.ts
+++ b/sdk/storage/arm-storage/src/models/mappers.ts
@@ -3082,6 +3082,13 @@ export const RestorePolicyProperties: msRest.CompositeMapper = {
         type: {
           name: "Number"
         }
+      },
+      lastEnabledTime: {
+        readOnly: true,
+        serializedName: "lastEnabledTime",
+        type: {
+          name: "DateTime"
+        }
       }
     }
   }