diff --git a/common/config/rush/pnpm-lock.yaml b/common/config/rush/pnpm-lock.yaml
index c3051cfd6694..396ccf4586fb 100644
--- a/common/config/rush/pnpm-lock.yaml
+++ b/common/config/rush/pnpm-lock.yaml
@@ -10902,6 +10902,37 @@ packages:
       yn: 3.1.1
     dev: false
 
+  /ts-node@10.9.2(@types/node@18.19.50)(typescript@5.5.4):
+    resolution: {integrity: sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==}
+    hasBin: true
+    peerDependencies:
+      '@swc/core': '>=1.2.50'
+      '@swc/wasm': '>=1.2.50'
+      '@types/node': '*'
+      typescript: '>=2.7'
+    peerDependenciesMeta:
+      '@swc/core':
+        optional: true
+      '@swc/wasm':
+        optional: true
+    dependencies:
+      '@cspotcode/source-map-support': 0.8.1
+      '@tsconfig/node10': 1.0.11
+      '@tsconfig/node12': 1.0.11
+      '@tsconfig/node14': 1.0.3
+      '@tsconfig/node16': 1.0.4
+      '@types/node': 18.19.50
+      acorn: 8.12.1
+      acorn-walk: 8.3.4
+      arg: 4.1.3
+      create-require: 1.1.1
+      diff: 4.0.2
+      make-error: 1.3.6
+      typescript: 5.5.4
+      v8-compile-cache-lib: 3.0.1
+      yn: 3.1.1
+    dev: false
+
   /ts-node@10.9.2(@types/node@18.19.50)(typescript@5.6.2):
     resolution: {integrity: sha512-f0FFpIdcHgn8zcPSbf1dRevwt047YMnaiJM3u2w2RewrB+fob/zePZcrOyQoLMMO7aBIddLcQIEK5dYjkLnGrQ==}
     hasBin: true
@@ -15340,7 +15371,7 @@ packages:
     dev: false
 
   file:projects/arm-elasticsan.tgz:
-    resolution: {integrity: sha512-BlEMVnmD+3jzmWPpvV0xMkGlqs4tz4NmdRAjl+EtycSetf19XpKwDEQbJHo5Z4yy4EE4ERDZzk6ksJXkvaisXg==, tarball: file:projects/arm-elasticsan.tgz}
+    resolution: {integrity: sha512-5yFXbD35o2EIaQrQr4tNhlS2tBWqpaQJ5yzy+Z2c1u/1cKR9vH7GbU6LGurMEZLS24a1nzmx4F3MODNF+vO2NQ==, tarball: file:projects/arm-elasticsan.tgz}
     name: '@rush-temp/arm-elasticsan'
     version: 0.0.0
     dependencies:
@@ -15359,10 +15390,10 @@ packages:
       mkdirp: 3.0.1
       mocha: 10.7.3
       rimraf: 5.0.10
-      ts-node: 10.9.2(@types/node@18.19.50)(typescript@5.6.2)
+      ts-node: 10.9.2(@types/node@18.19.50)(typescript@5.5.4)
       tslib: 2.7.0
       tsx: 4.19.1
-      typescript: 5.6.2
+      typescript: 5.5.4
       uglify-js: 3.19.3
     transitivePeerDependencies:
       - '@swc/core'
diff --git a/sdk/elasticsans/arm-elasticsan/CHANGELOG.md b/sdk/elasticsans/arm-elasticsan/CHANGELOG.md
index 3827d890d2f1..661192ac993b 100644
--- a/sdk/elasticsans/arm-elasticsan/CHANGELOG.md
+++ b/sdk/elasticsans/arm-elasticsan/CHANGELOG.md
@@ -1,5 +1,18 @@
 # Release History
     
+## 1.2.0-beta.1 (2024-09-26)
+Compared with version 1.1.0
+    
+### Features Added
+
+  - Added Interface AutoScaleProperties
+  - Added Interface ScaleUpProperties
+  - Added Type Alias AutoScalePolicyEnforcement
+  - Interface ElasticSanProperties has a new optional parameter autoScaleProperties
+  - Interface ElasticSanUpdateProperties has a new optional parameter autoScaleProperties
+  - Added Enum KnownAutoScalePolicyEnforcement
+    
+    
 ## 1.1.0 (2024-08-12)
     
 ### Features Added
diff --git a/sdk/elasticsans/arm-elasticsan/README.md b/sdk/elasticsans/arm-elasticsan/README.md
index eb3f113592dc..3528d9b75ee3 100644
--- a/sdk/elasticsans/arm-elasticsan/README.md
+++ b/sdk/elasticsans/arm-elasticsan/README.md
@@ -6,7 +6,7 @@ This package contains an isomorphic SDK (runs both in Node.js and in browsers) f
 
 [Source code](https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/elasticsans/arm-elasticsan) |
 [Package (NPM)](https://www.npmjs.com/package/@azure/arm-elasticsan) |
-[API reference documentation](https://docs.microsoft.com/javascript/api/@azure/arm-elasticsan) |
+[API reference documentation](https://docs.microsoft.com/javascript/api/@azure/arm-elasticsan?view=azure-node-preview) |
 [Samples](https://github.com/Azure-Samples/azure-samples-js-management)
 
 ## Getting started
diff --git a/sdk/elasticsans/arm-elasticsan/_meta.json b/sdk/elasticsans/arm-elasticsan/_meta.json
index 15e22be4d88f..bcc30402d50f 100644
--- a/sdk/elasticsans/arm-elasticsan/_meta.json
+++ b/sdk/elasticsans/arm-elasticsan/_meta.json
@@ -1,8 +1,8 @@
 {
-  "commit": "572fbc80c94ad3ae14d15e20c44a4f3407a2fed2",
+  "commit": "985bb9bddbf6297b8d81d5e4a284d395ec8b2b08",
   "readme": "specification/elasticsan/resource-manager/readme.md",
-  "autorest_command": "autorest --version=3.9.7 --typescript --modelerfour.lenient-model-deduplication --azure-arm --head-as-boolean=true --license-header=MICROSOFT_MIT_NO_VERSION --generate-test --typescript-sdks-folder=D:\\Git\\azure-sdk-for-js ..\\azure-rest-api-specs\\specification\\elasticsan\\resource-manager\\readme.md --use=@autorest/typescript@6.0.23 --generate-sample=true",
+  "autorest_command": "autorest --version=3.9.7 --typescript --modelerfour.lenient-model-deduplication --azure-arm --head-as-boolean=true --license-header=MICROSOFT_MIT_NO_VERSION --generate-test --typescript-sdks-folder=/mnt/vss/_work/1/s/azure-sdk-for-js ../azure-rest-api-specs/specification/elasticsan/resource-manager/readme.md --use=@autorest/typescript@^6.0.12",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs.git",
-  "release_tool": "@azure-tools/js-sdk-release-tools@2.7.11",
-  "use": "@autorest/typescript@6.0.23"
+  "release_tool": "@azure-tools/js-sdk-release-tools@2.7.14",
+  "use": "@autorest/typescript@^6.0.12"
 }
\ No newline at end of file
diff --git a/sdk/elasticsans/arm-elasticsan/package.json b/sdk/elasticsans/arm-elasticsan/package.json
index c80b11f2f9c2..decb079d3ab4 100644
--- a/sdk/elasticsans/arm-elasticsan/package.json
+++ b/sdk/elasticsans/arm-elasticsan/package.json
@@ -3,13 +3,13 @@
   "sdk-type": "mgmt",
   "author": "Microsoft Corporation",
   "description": "A generated SDK for ElasticSanManagement.",
-  "version": "1.1.0",
+  "version": "1.2.0-beta.1",
   "engines": {
     "node": ">=18.0.0"
   },
   "dependencies": {
     "@azure/core-lro": "^2.5.4",
-    "@azure/abort-controller": "^1.0.0",
+    "@azure/abort-controller": "^2.1.2",
     "@azure/core-paging": "^1.2.0",
     "@azure/core-client": "^1.7.0",
     "@azure/core-auth": "^1.6.0",
@@ -30,12 +30,12 @@
   "devDependencies": {
     "@microsoft/api-extractor": "^7.31.1",
     "mkdirp": "^3.0.1",
-    "typescript": "~5.6.2",
+    "typescript": "~5.5.3",
     "uglify-js": "^3.4.9",
     "rimraf": "^5.0.0",
     "dotenv": "^16.0.0",
     "@azure/dev-tool": "^1.0.0",
-    "@azure/identity": "^4.0.1",
+    "@azure/identity": "^4.2.1",
     "@azure-tools/test-recorder": "^3.0.0",
     "@azure-tools/test-credential": "^1.1.0",
     "mocha": "^10.0.0",
@@ -106,13 +106,5 @@
     ]
   },
   "autoPublish": true,
-  "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/elasticsans/arm-elasticsan",
-  "//sampleConfiguration": {
-    "productName": "",
-    "productSlugs": [
-      "azure"
-    ],
-    "disableDocsMs": true,
-    "apiRefLink": "https://docs.microsoft.com/javascript/api/@azure/arm-elasticsan?view=azure-node-preview"
-  }
-}
+  "homepage": "https://github.com/Azure/azure-sdk-for-js/tree/main/sdk/elasticsans/arm-elasticsan"
+}
\ No newline at end of file
diff --git a/sdk/elasticsans/arm-elasticsan/review/arm-elasticsan.api.md b/sdk/elasticsans/arm-elasticsan/review/arm-elasticsan.api.md
index e2a7f93858f5..a18b931b0cd0 100644
--- a/sdk/elasticsans/arm-elasticsan/review/arm-elasticsan.api.md
+++ b/sdk/elasticsans/arm-elasticsan/review/arm-elasticsan.api.md
@@ -16,6 +16,14 @@ export type Action = string;
 // @public
 export type ActionType = string;
 
+// @public
+export type AutoScalePolicyEnforcement = string;
+
+// @public
+export interface AutoScaleProperties {
+    scaleUpProperties?: ScaleUpProperties;
+}
+
 // @public
 export type CreatedByType = string;
 
@@ -66,6 +74,7 @@ export interface ElasticSanManagementOptionalParams extends coreClient.ServiceCl
 
 // @public
 export interface ElasticSanProperties {
+    autoScaleProperties?: AutoScaleProperties;
     availabilityZones?: string[];
     baseSizeTiB: number;
     extendedCapacitySizeTiB: number;
@@ -174,6 +183,7 @@ export interface ElasticSanUpdate {
 
 // @public
 export interface ElasticSanUpdateProperties {
+    autoScaleProperties?: AutoScaleProperties;
     baseSizeTiB?: number;
     extendedCapacitySizeTiB?: number;
     publicNetworkAccess?: PublicNetworkAccess;
@@ -258,6 +268,13 @@ export enum KnownActionType {
     Internal = "Internal"
 }
 
+// @public
+export enum KnownAutoScalePolicyEnforcement {
+    Disabled = "Disabled",
+    Enabled = "Enabled",
+    None = "None"
+}
+
 // @public
 export enum KnownCreatedByType {
     Application = "Application",
@@ -540,6 +557,14 @@ export interface Resource {
     readonly type?: string;
 }
 
+// @public
+export interface ScaleUpProperties {
+    autoScalePolicyEnforcement?: AutoScalePolicyEnforcement;
+    capacityUnitScaleUpLimitTiB?: number;
+    increaseCapacityUnitByTiB?: number;
+    unusedSizeTiB?: number;
+}
+
 // @public
 export interface Sku {
     name: SkuName;
diff --git a/sdk/elasticsans/arm-elasticsan/src/elasticSanManagement.ts b/sdk/elasticsans/arm-elasticsan/src/elasticSanManagement.ts
index e5c044b84d5d..6d0edbbca4d9 100644
--- a/sdk/elasticsans/arm-elasticsan/src/elasticSanManagement.ts
+++ b/sdk/elasticsans/arm-elasticsan/src/elasticSanManagement.ts
@@ -68,7 +68,7 @@ export class ElasticSanManagement extends coreClient.ServiceClient {
       credential: credentials,
     };
 
-    const packageDetails = `azsdk-js-arm-elasticsan/1.1.0`;
+    const packageDetails = `azsdk-js-arm-elasticsan/1.2.0-beta.1`;
     const userAgentPrefix =
       options.userAgentOptions && options.userAgentOptions.userAgentPrefix
         ? `${options.userAgentOptions.userAgentPrefix} ${packageDetails}`
@@ -122,7 +122,7 @@ export class ElasticSanManagement extends coreClient.ServiceClient {
 
     // Assigning values to Constant parameters
     this.$host = options.$host || "https://management.azure.com";
-    this.apiVersion = options.apiVersion || "2024-05-01";
+    this.apiVersion = options.apiVersion || "2024-06-01-preview";
     this.operations = new OperationsImpl(this);
     this.skus = new SkusImpl(this);
     this.elasticSans = new ElasticSansImpl(this);
diff --git a/sdk/elasticsans/arm-elasticsan/src/models/index.ts b/sdk/elasticsans/arm-elasticsan/src/models/index.ts
index e3efdf09a337..418a65af7be8 100644
--- a/sdk/elasticsans/arm-elasticsan/src/models/index.ts
+++ b/sdk/elasticsans/arm-elasticsan/src/models/index.ts
@@ -249,6 +249,8 @@ export interface ElasticSanProperties {
   readonly privateEndpointConnections?: PrivateEndpointConnection[];
   /** Allow or disallow public network access to ElasticSan. Value is optional but if passed in, must be 'Enabled' or 'Disabled'. */
   publicNetworkAccess?: PublicNetworkAccess;
+  /** Auto Scale Properties for Elastic San Appliance. */
+  autoScaleProperties?: AutoScaleProperties;
 }
 
 /** The SKU name. Required for account creation; optional for update. */
@@ -333,6 +335,24 @@ export interface SystemData {
   lastModifiedAt?: Date;
 }
 
+/** The auto scale settings on Elastic San Appliance. */
+export interface AutoScaleProperties {
+  /** Scale up settings on Elastic San Appliance. */
+  scaleUpProperties?: ScaleUpProperties;
+}
+
+/** Scale up properties on Elastic San Appliance. */
+export interface ScaleUpProperties {
+  /** Unused size on Elastic San appliance in TiB. */
+  unusedSizeTiB?: number;
+  /** Unit to increase Capacity Unit on Elastic San appliance in TiB. */
+  increaseCapacityUnitByTiB?: number;
+  /** Maximum scale up size on Elastic San appliance in TiB. */
+  capacityUnitScaleUpLimitTiB?: number;
+  /** Enable or Disable scale up setting on Elastic San Appliance. */
+  autoScalePolicyEnforcement?: AutoScalePolicyEnforcement;
+}
+
 /** Response for ElasticSan update request. */
 export interface ElasticSanUpdate {
   /** Properties of ElasticSan. */
@@ -349,6 +369,8 @@ export interface ElasticSanUpdateProperties {
   extendedCapacitySizeTiB?: number;
   /** Allow or disallow public network access to ElasticSan Account. Value is optional but if passed in, must be 'Enabled' or 'Disabled'. */
   publicNetworkAccess?: PublicNetworkAccess;
+  /** Auto Scale Properties for Elastic San Appliance. */
+  autoScaleProperties?: AutoScaleProperties;
 }
 
 /** List of Volume Groups */
@@ -919,6 +941,27 @@ export enum KnownPublicNetworkAccess {
  */
 export type PublicNetworkAccess = string;
 
+/** Known values of {@link AutoScalePolicyEnforcement} that the service accepts. */
+export enum KnownAutoScalePolicyEnforcement {
+  /** None */
+  None = "None",
+  /** Enabled */
+  Enabled = "Enabled",
+  /** Disabled */
+  Disabled = "Disabled",
+}
+
+/**
+ * Defines values for AutoScalePolicyEnforcement. \
+ * {@link KnownAutoScalePolicyEnforcement} can be used interchangeably with AutoScalePolicyEnforcement,
+ *  this enum contains the known values that the service supports.
+ * ### Known values supported by the service
+ * **None** \
+ * **Enabled** \
+ * **Disabled**
+ */
+export type AutoScalePolicyEnforcement = string;
+
 /** Known values of {@link IdentityType} that the service accepts. */
 export enum KnownIdentityType {
   /** None */
diff --git a/sdk/elasticsans/arm-elasticsan/src/models/mappers.ts b/sdk/elasticsans/arm-elasticsan/src/models/mappers.ts
index 4abd88cd8cdf..f1ed0cf25970 100644
--- a/sdk/elasticsans/arm-elasticsan/src/models/mappers.ts
+++ b/sdk/elasticsans/arm-elasticsan/src/models/mappers.ts
@@ -487,6 +487,13 @@ export const ElasticSanProperties: coreClient.CompositeMapper = {
           name: "String",
         },
       },
+      autoScaleProperties: {
+        serializedName: "autoScaleProperties",
+        type: {
+          name: "Composite",
+          className: "AutoScaleProperties",
+        },
+      },
     },
   },
 };
@@ -679,6 +686,55 @@ export const SystemData: coreClient.CompositeMapper = {
   },
 };
 
+export const AutoScaleProperties: coreClient.CompositeMapper = {
+  type: {
+    name: "Composite",
+    className: "AutoScaleProperties",
+    modelProperties: {
+      scaleUpProperties: {
+        serializedName: "scaleUpProperties",
+        type: {
+          name: "Composite",
+          className: "ScaleUpProperties",
+        },
+      },
+    },
+  },
+};
+
+export const ScaleUpProperties: coreClient.CompositeMapper = {
+  type: {
+    name: "Composite",
+    className: "ScaleUpProperties",
+    modelProperties: {
+      unusedSizeTiB: {
+        serializedName: "unusedSizeTiB",
+        type: {
+          name: "Number",
+        },
+      },
+      increaseCapacityUnitByTiB: {
+        serializedName: "increaseCapacityUnitByTiB",
+        type: {
+          name: "Number",
+        },
+      },
+      capacityUnitScaleUpLimitTiB: {
+        serializedName: "capacityUnitScaleUpLimitTiB",
+        type: {
+          name: "Number",
+        },
+      },
+      autoScalePolicyEnforcement: {
+        serializedName: "autoScalePolicyEnforcement",
+        type: {
+          name: "String",
+        },
+      },
+    },
+  },
+};
+
 export const ElasticSanUpdate: coreClient.CompositeMapper = {
   type: {
     name: "Composite",
@@ -725,6 +781,13 @@ export const ElasticSanUpdateProperties: coreClient.CompositeMapper = {
           name: "String",
         },
       },
+      autoScaleProperties: {
+        serializedName: "autoScaleProperties",
+        type: {
+          name: "Composite",
+          className: "AutoScaleProperties",
+        },
+      },
     },
   },
 };
diff --git a/sdk/elasticsans/arm-elasticsan/src/models/parameters.ts b/sdk/elasticsans/arm-elasticsan/src/models/parameters.ts
index 15693fdb9758..4db4ffa24173 100644
--- a/sdk/elasticsans/arm-elasticsan/src/models/parameters.ts
+++ b/sdk/elasticsans/arm-elasticsan/src/models/parameters.ts
@@ -49,7 +49,7 @@ export const $host: OperationURLParameter = {
 export const apiVersion: OperationQueryParameter = {
   parameterPath: "apiVersion",
   mapper: {
-    defaultValue: "2024-05-01",
+    defaultValue: "2024-06-01-preview",
     isConstant: true,
     serializedName: "api-version",
     type: {
diff --git a/sdk/elasticsans/arm-elasticsan/test/sampleTest.ts b/sdk/elasticsans/arm-elasticsan/test/sampleTest.ts
new file mode 100644
index 000000000000..d64be981b694
--- /dev/null
+++ b/sdk/elasticsans/arm-elasticsan/test/sampleTest.ts
@@ -0,0 +1,43 @@
+/*
+ * Copyright (c) Microsoft Corporation.
+ * Licensed under the MIT License.
+ *
+ * Code generated by Microsoft (R) AutoRest Code Generator.
+ * Changes may cause incorrect behavior and will be lost if the code is regenerated.
+ */
+
+import {
+  Recorder,
+  RecorderStartOptions,
+  env,
+} from "@azure-tools/test-recorder";
+import { assert } from "chai";
+import { Context } from "mocha";
+
+const replaceableVariables: Record<string, string> = {
+  AZURE_CLIENT_ID: "azure_client_id",
+  AZURE_CLIENT_SECRET: "azure_client_secret",
+  AZURE_TENANT_ID: "88888888-8888-8888-8888-888888888888",
+  SUBSCRIPTION_ID: "azure_subscription_id",
+};
+
+const recorderOptions: RecorderStartOptions = {
+  envSetupForPlayback: replaceableVariables,
+};
+
+describe("My test", () => {
+  let recorder: Recorder;
+
+  beforeEach(async function (this: Context) {
+    recorder = new Recorder(this.currentTest);
+    await recorder.start(recorderOptions);
+  });
+
+  afterEach(async function () {
+    await recorder.stop();
+  });
+
+  it("sample test", async function () {
+    console.log("Hi, I'm a test!");
+  });
+});
diff --git a/sdk/elasticsans/arm-elasticsan/tsconfig.json b/sdk/elasticsans/arm-elasticsan/tsconfig.json
index a25947875abf..3e6ae96443f3 100644
--- a/sdk/elasticsans/arm-elasticsan/tsconfig.json
+++ b/sdk/elasticsans/arm-elasticsan/tsconfig.json
@@ -15,17 +15,11 @@
     ],
     "declaration": true,
     "outDir": "./dist-esm",
-    "importHelpers": true,
-    "paths": {
-      "@azure/arm-elasticsan": [
-        "./src/index"
-      ]
-    }
+    "importHelpers": true
   },
   "include": [
     "./src/**/*.ts",
-    "./test/**/*.ts",
-    "samples-dev/**/*.ts"
+    "./test/**/*.ts"
   ],
   "exclude": [
     "node_modules"